Displaying publications 121 - 140 of 541 in total

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  1. Fulltext Study on the Construction and Development Path of Gymnasiums considering Ecological Environment Restrictions
    Chen X, Zheng L, Xu Y
    J Environ Public Health, 2022;2022:2700957.
    PMID: 35978586 DOI: 10.1155/2022/2700957
    Under the restriction of ecological and environmental factors, our requirements have improved for the development path of gymnasium construction. According to the previous way to carry out the development path of gymnasium construction will make our construction work encounter a lot of unnecessary troubles, so we can improve the success rate of the development path of gymnasium construction under the constraints of the ecological environment by carrying out relevant evasive operations according to the constraints of ecological environment. The topological path and path algorithm used to improve the efficiency of stadium construction and development path under the constraints of ecological environment, TEG algorithm, Q-TEG model, Q-TEG algorithm, Dtra algorithm, TraD algorithm, ResR algorithm, and Q-TED algorithm used in resource reservation plus time slot plus hosting bring the following advantages: (1) we use topological path and path algorithm to explore topological representation methods suitable for development path. The overview provides a theoretical basis for guidance, for forwarding technology scheduling mechanisms and multi-path forwarding mechanisms to provide higher flexibility. (2) We use the TEG algorithm of resource reservation plus time slot plus trusteeship, Q-TEG model, and Q-TEG algorithm under multi-model model can deal with the capacity and link of queue in each stadium construction development path well. It is more convenient to set the packet loss threshold for the propagation experiment tested in the simulation. Better help gymnasium construction and development path transmission is successful. (3) The use of the Dtra algorithm, TraD algorithm, ResR algorithm, and Q-TED algorithm in our stadium construction development path of a good deal of the transmission link structure between each node, so that the transmission efficiency between nodes becomes higher, making our stadium construction development path operation more efficient and convenient.
    Matched MeSH terms: Environment
  2. Fulltext Infection of bats with Histoplasma species
    Gugnani HC, Denning DW
    Med Mycol, 2023 Aug 02;61(8).
    PMID: 37553137 DOI: 10.1093/mmy/myad080
    Histoplasma species infect humans and animals, notably bats. Histoplasma species are thermally dimorphic fungi existing in mycelial form in the natural environment and in yeast form in infected tissues. In this narrative literature review, we summarize the occurrence of Histoplasma spp. in different species of bat tissues (n = 49) and in soil admixed with bat guano where the species of bat dwelling nearby has been identified (an additional 18 species likely infected) to provide an up-to-date summary of data. Most positive isolations are from the Americas and Caribbean, with some studies from Thailand, Malaysia, Nigeria, Slovenia, France, and Australia. We also summarize some of the early experimental work to elucidate pathogenicity, latency, immune response, and faecal excretion in bats. Given the recent recognition of the global extent of histoplasmosis, thermal dimorphism in Histoplasma spp., and global heating, additional work on understanding the complex relationship between Histoplasma and bats is desirable.
    Matched MeSH terms: Environment
  3. Unveiling the Microfiber Release Footprint: Guiding Control Strategies in the Textile Production Industry
    Wang M, Yang J, Zheng S, Jia L, Yong ZY, Yong EL, et al.
    Environ Sci Technol, 2023 Dec 19;57(50):21038-21049.
    PMID: 38064758 DOI: 10.1021/acs.est.3c06210
    Microplastic fibers from textiles have been known to significantly contribute to marine microplastic pollution. However, little is known about the microfiber formation and discharge during textile production. In this study, we have quantified microfiber emissions from one large and representative textile factory during different stages, spanning seven different materials, including cotton, polyester, and blended fabrics, to further guide control strategies. Wet-processing steps released up to 25 times more microfibers than home laundering, with dyeing contributing to 95.0% of the total emissions. Microfiber release could be reduced by using white coloring, a lower dyeing temperature, and a shorter dyeing duration. Thinner, denser yarns increased microfiber pollution, whereas using tightly twisted fibers mitigated release. Globally, wet textile processing potentially produced 6.4 kt of microfibers in 2020, with China, India, and the US as significant contributors. The study underlined the environmental impact of textile production and the need for mitigation strategies, particularly in dyeing processes and fiber choice. In addition, no significant difference was observed between the virgin polyesters and the used ones. Replacing virgin fibers with recycled fibers in polyester fabrics, due to their increasing consumption, might offer another potential solution. The findings highlighted the substantial impact of textile production on microfiber released into the environment, and optimization of material selection, knitting technologies, production processing, and recycled materials could be effective mitigation strategies.
    Matched MeSH terms: Environment
  4. Bioadsorbent nanocellulose aerogel efficiency impregnated with spent coffee grounds
    Ahmad A, Omar KM, Alahmadi AA, Rizg WY, Bairwan RD, Abdul Khalil HPS
    Int J Biol Macromol, 2024 Feb;258(Pt 1):128746.
    PMID: 38104681 DOI: 10.1016/j.ijbiomac.2023.128746
    Due to growing environmental concerns for better waste management, this study proposes developing a composite aerogel using cellulose nanofibers (CNF) and spent coffee grounds (SCG) through an eco-friendly method for efficient methylene blue (MB) adsorption. Adding SCG to the CNF aerogel altered the physical properties: it increases the volume (4.14 cm3 to 5.25 cm3) and density (0.018 to 0.022 g/cm3) but decrease the water adsorption capacity (2064 % to 1635 %). FTIR spectrum showed distinct functional groups in both all aerogels, showing hydroxyl, glyosidic bonds, and aromatic compounds. Additionally, SCG improved thermal stability of the aerogels. In term of adsorption efficacy, CNF-SCG40% aerogel as exceptionally well. According to Langmuir isotherm models, the adsorption of MB happened in a monolayer, with CNF-SCG40% showing a maximum adsorption capacity of 113.64 mg/g, surpassing CNF aerogel (58.82 mg/g). The study identified that the pseudo-second-order model effectively depicted the adsorption process, indicating a chemical-like interaction. This investigation successfully produced a single-use composite aerogel composed of CNF and SCG using an eco-friendly approach, efficiently adsorbing MB. By utilizing cost-effective materials and eco-friendly methods, this approach offers a sustainable solution for waste management, contributes to an eco-friendly industrial environment, and reduces production expenses and management costs.
    Matched MeSH terms: Environment
  5. Uncovering environmental performance patterns of plastic packaging waste in high recovery rate countries: An example of EU-27
    Fan YV, Čuček L, Si C, Jiang P, Vujanović A, Krajnc D, et al.
    Environ Res, 2024 Jan 15;241:117581.
    PMID: 37967705 DOI: 10.1016/j.envres.2023.117581
    Plastic consumption and its end-of-life management pose a significant environmental footprint and are energy intensive. Waste-to-resources and prevention strategies have been promoted widely in Europe as countermeasures; however, their effectiveness remains uncertain. This study aims to uncover the environmental footprint patterns of the plastics value chain in the European Union Member States (EU-27) through exploratory data analysis with dimension reduction and grouping. Nine variables are assessed, ranging from socioeconomic and demographic to environmental impacts. Three clusters are formed according to the similarity of a range of characteristics (nine), with environmental impacts being identified as the primary influencing variable in determining the clusters. Most countries belong to Cluster 0, consisting of 17 countries in 2014 and 18 countries in 2019. They represent clusters with a relatively low global warming potential (GWP), with an average value of 2.64 t CO2eq/cap in 2014 and 4.01 t CO2eq/cap in 2019. Among all the assessed countries, Denmark showed a significant change when assessed within the traits of EU-27, categorised from Cluster 1 (high GWP) in 2014 to Cluster 0 (low GWP) in 2019. The analysis of plastic packaging waste statistics in 2019 (data released in 2022) shows that, despite an increase in the recovery rate within the EU-27, the GWP has not reduced, suggesting a rebound effect. The GWP tends to increase in correlation with the higher plastic waste amount. In contrast, other environmental impacts, like eutrophication, abiotic and acidification potential, are identified to be mitigated effectively via recovery, suppressing the adverse effects of an increase in plastic waste generation. The five-year interval data analysis identified distinct clusters within a set of patterns, categorising them based on their similarities. The categorisation and managerial insights serve as a foundation for devising a focused mitigation strategy.
    Matched MeSH terms: Environment
  6. Fulltext Impact of mediterranean diet promotion on environmental sustainability: a longitudinal analysis
    Álvarez-Álvarez L, Vitelli-Storelli F, Rubín-García M, García S, Bouzas C, Ruíz-Canela M, et al.
    Public Health, 2024 May;230:12-20.
    PMID: 38479163 DOI: 10.1016/j.puhe.2024.02.010
    OBJECTIVE: This article aims to estimate the differences in environmental impact (greenhouse gas [GHG] emissions, land use, energy used, acidification and potential eutrophication) after one year of promoting a Mediterranean diet (MD).

    METHODS: Baseline and 1-year follow-up data from 5800 participants in the PREDIMED-Plus study were used. Each participant's food intake was estimated using validated semi-quantitative food frequency questionnaires, and the adherence to MD using the Dietary Score. The influence of diet on environmental impact was assessed through the EAT-Lancet Commission tables. The influence of diet on environmental impact was assessed through the EAT-Lancet Commission tables. The association between MD adherence and its environmental impact was calculated using adjusted multivariate linear regression models.

    RESULTS: After one year of intervention, the kcal/day consumed was significantly reduced (-125,1 kcal/day), adherence to a MD pattern was improved (+0,9) and the environmental impact due to the diet was significantly reduced (GHG: -361 g/CO2-eq; Acidification:-11,5 g SO2-eq; Eutrophication:-4,7 g PO4-eq; Energy use:-842,7 kJ; and Land use:-2,2 m2). Higher adherence to MD (high vs. low) was significantly associated with lower environmental impact both at baseline and one year follow-up. Meat products had the greatest environmental impact in all the factors analysed, both at baseline and at one-year follow-up, in spite of the reduction observed in their consumption.

    CONCLUSIONS: A program promoting a MD, after one year of intervention, significantly reduced the environmental impact in all the factors analysed. Meat products had the greatest environmental impact in all the dimensions analysed.

    Matched MeSH terms: Environment
  7. Human intervention caused massive destruction of the second largest mangrove forest, Chakaria Sundarbans, Bangladesh
    Hasan M, Hassan L, Abdullah Al M, Kamal AHM, Idris MH, Hoque MZ, et al.
    Environ Sci Pollut Res Int, 2024 Apr;31(17):25329-25341.
    PMID: 38468013 DOI: 10.1007/s11356-024-32792-2
    Mangroves provide essential ecosystem services including coastal protection by acting as coastal greenbelts; however, human-driven anthropogenic activities altered their existence and ecosystem functions worldwide. In this study, the successive degradation of the second largest mangrove forest, Chakaria Sundarbans situated at the northern Bay of Bengal part of Bangladesh was assessed using remote sensing approaches. A total of five multi-temporal Landsat satellite imageries were collected and used to observe the land use land cover (LULC) changes over the time periods for the years 1972, 1990, 2000, 2010, and 2020. Further, the supervised classification technique with the help of support vector machine (SVM) algorithm in ArcGIS 10.8 was used to process images. Our results revealed a drastic change of Chakaria Sundarbans mangrove forest, that the images of 1972 were comprised of mudflat, waterbody, and mangroves, while the images of 1990, 2000, 2010, and 2020 were classified as waterbody, mangrove, saltpan, and shrimp farm. Most importantly, mangrove forest was the largest covering area a total of 64.2% in 1972, but gradually decreased to 12.7%, 6.4%, 1.9%, and 4.6% for the years 1990, 2000, 2010, and 2020, respectively. Interestingly, the rate of mangrove forest area degradation was similar to the net increase of saltpan and shrimp farms. The kappa coefficients of classified images were 0.83, 0.87, 0.80, 0.87, and 0.91 with the overall accuracy of 88.9%, 90%, 85%, 90%, and 93.3% for the years 1972, 1990, 2000, 2010, and 2020, respectively. By analyzing normalized difference vegetation index (NDVI), soil adjusted vegetation index (SAVI), and transformed difference vegetation index (TDVI), our results validated that green vegetated area was decreased alarmingly with time in this study area. This destruction was mainly related to active human-driven anthropogenic activities, particularly creating embankments for fish farms or salt productions, and cutting for collection of wood as well. Together all, our results provide clear evidence of active anthropogenic stress on coastal ecosystem health by altering mangrove forest to saltpan and shrimp farm saying goodbye to the second largest mangrove forest in one of the coastal areas of the Bay of Bengal, Bangladesh.
    Matched MeSH terms: Environment
  8. Fulltext A systematic review on the level of risk perception of diabetes mellitus: The role of environmental factor
    Jane Ling MY, Ahmad N, Noor Aizuddin A, Ja'afar MH
    PLoS One, 2024;19(7):e0308152.
    PMID: 39078862 DOI: 10.1371/journal.pone.0308152
    BACKGROUND: Risk perception plays important role in motivating preventive health behaviours. The objective of this systematic review was to explore the level of diabetes risk perception among individuals with and without apparent risk for diabetes, and to consider the effect of environmental factors on the level of diabetes risk perception.

    METHODS: This systematic review was reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The literature search was carried out through PubMed, Web of Science, and Scopus. Original articles written in English and published between 2013 and 2023 were considered. Study quality was appraised using the Mixed Methods Appraisal Tool. Narrative synthesis was undertaken due to methodological heterogeneity in the included studies.

    RESULTS: A total of 13 cross-sectional studies, two randomized controlled trials, two cohort studies, two mixed methods studies and one quasi-experiment with a control group were included. An overall low level of diabetes risk perception was reported particularly in those without apparent risk for diabetes. The 20 included studies reported widely varied measures for calculating diabetes risk perception. The influence of environmental factors on the risk perception of diabetes was highlighted.

    LIMITATIONS: The use of study-specific and non-validated measures in the included studies weakens the authors' ability to compare across studies. The role of language and publication bias within this systematic review should be acknowledged as we included only English-language studies published in peer-reviewed journals. Another limitation is the exclusion of dimensions of risk perception such as optimistic bias as search terms.

    CONCLUSION: The overall low risk perception of diabetes calls for urgent need of public health interventions to increase the risk perception of diabetes. In the future, researchers should ensure the validity and reliability of the measures being used. The influence of environmental factors on the diabetes risk perception indicates that diabetes preventive interventions targeting environmental factors may be effective in increasing the risk perception of diabetes.

    Matched MeSH terms: Environment
  9. Fulltext Neurosciences at Universiti Sains Malaysia Represent Malaysia to Support Global Precision Brain Health
    Abdullah JM
    Malays J Med Sci, 2019 May;26(3):1-23.
    PMID: 31303847 DOI: 10.21315/mjms2019.26.3.1
    The combined effort of the neuroscience and psychology cluster at the Universiti Sains Malaysia (USM)-fundamental, applied and clinical-has moved the institution to the number two position in the country, behind Universiti Malaya. The strategy to join the Global Brain Consortium (GBC) and put Malaysia on the map to address the GBC mission, vision, focus areas and outcomes began recently, in May 2019.
    Matched MeSH terms: Environment
  10. Fulltext Cultural construction of psychiatric illness in Malaysia
    Razak AA
    Malays J Med Sci, 2017 Mar;24(2):1-5.
    PMID: 28894398 DOI: 10.21315/mjms2017.24.2.1
    The concept of the cultural construction of illness is important in terms of understanding people's behaviour. In this article, this idea is applied to psychiatric illness in Malaysia to explore how it is informed by sociocultural elements, a process that will help us understand the psychiatric expression and help-seeking behaviour of the country's population.
    Matched MeSH terms: Environment
  11. A bicycle safety index for evaluating urban street facilities
    Asadi-Shekari Z, Moeinaddini M, Zaly Shah M
    Traffic Inj Prev, 2015;16:283-8.
    PMID: 24983474 DOI: 10.1080/15389588.2014.936010
    The objectives of this research are to conceptualize the Bicycle Safety Index (BSI) that considers all parts of the street and to propose a universal guideline with microscale details.
    Matched MeSH terms: Environment Design/standards*
  12. Analysis of developed transition road safety barrier systems
    Soltani M, Moghaddam TB, Karim MR, Sulong NH
    Accid Anal Prev, 2013 Oct;59:240-52.
    PMID: 23820073 DOI: 10.1016/j.aap.2013.05.029
    Road safety barriers protect vehicles from roadside hazards by redirecting errant vehicles in a safe manner as well as providing high levels of safety during and after impact. This paper focused on transition safety barrier systems which were located at the point of attachment between a bridge and roadside barriers. The aim of this study was to provide an overview of the behavior of transition systems located at upstream bridge rail with different designs and performance levels. Design factors such as occupant risk and vehicle trajectory for different systems were collected and compared. To achieve this aim a comprehensive database was developed using previous studies. The comparison showed that Test 3-21, which is conducted by impacting a pickup truck with speed of 100 km/h and angle of 25° to transition system, was the most severe test. Occupant impact velocity and ridedown acceleration for heavy vehicles were lower than the amounts for passenger cars and pickup trucks, and in most cases higher occupant lateral impact ridedown acceleration was observed on vehicles subjected to higher levels of damage. The best transition system was selected to give optimum performance which reduced occupant risk factors using the similar crashes in accordance with Test 3-21.
    Matched MeSH terms: Environment Design/standards*
  13. RFamide peptides as mediators in environmental control of GnRH neurons
    Parhar I, Ogawa S, Kitahashi T
    Prog. Neurobiol., 2012 Aug;98(2):176-96.
    PMID: 22684005 DOI: 10.1016/j.pneurobio.2012.05.011
    Hypothalamic gonadotropin-releasing hormone (GnRH) is a key hormone for reproductive functions in vertebrates and non-vertebrates. Although GnRH neuronal system is regulated by several factors such as steroids, neurotransmitters and neuropeptides, it is not fully understood how environmental signals control the GnRH neuronal system. RFamide peptides, members of peptides possessing an Arg-Phe-NH(2) motif at their C-terminus, have recently been characterized as major regulators of GnRH neurons. In particular, two key RFamide peptides, kisspeptin and gonadotropin-inhibitory hormone (GnIH), are emerging as important regulators of the reproductive axis. Kisspeptin acts as the accelerator, directly driving GnRH neurons, whereas GnIH acts as the restraint. In addition, other RFamide peptides such as prolactin-releasing peptide (PrRP), PQRFa peptide, 26RFa/QRFP are also known to control reproduction. These RFamide peptides are regulated by environmental factors such as photoperiods, steroid hormones, metabolic signals, and stress. How environmental signals are integrated by RFamide peptides to regulate reproduction through the GnRH neurons?
    Matched MeSH terms: Environment*
  14. Fulltext The negative impact of living environment on intelligence quotient of primary school children in Baghdad City, Iraq: a cross-sectional study
    Ghazi HF, Isa ZM, Aljunid S, Shah SA, Tamil AM, Abdalqader MA
    BMC Public Health, 2012;12:562.
    PMID: 22839101 DOI: 10.1186/1471-2458-12-562
    Environmental factors play a very important role in the child development process, especially in a situation like that of Iraq. Thirteen years of economic sanctions followed by the 2003 war and 8 years of unstable security have affected the daily life of Iraqi families and children. The objective of this study was to assess the associations between living environment domains and child intelligence quotient (IQ) score.
    Matched MeSH terms: Social Environment*
  15. Multispecies impingement in a tropical power plant, Straits of Malacca
    Azila A, Chong VC
    Mar Environ Res, 2010 Jul;70(1):13-25.
    PMID: 20338631 DOI: 10.1016/j.marenvres.2010.02.004
    Marine organisms comprised about 70% of the total impinged materials by weight at water intake screens in the Kapar Power Station (KPS), Malaysia. The general groupings of 'fish', 'shrimp', 'crab', 'cephalopod' and 'others' contributed 26% (87 species), 65% (29), 2% (17), 2% (3) and 5% (42) of the total number of impinged organisms, respectively. In general, higher impingement occurred during spring tide, at nighttime and in shallow water. The glass perchlet, anchovies, ponyfishes, mojarra, catfishes, hairtail, scat and young croakers were the most vulnerable fishes. Vulnerable invertebrates included cephalopods, sea urchin, rockshells and jellyfishes, but penaeid shrimps were the most susceptible in terms of both mortality and body injury. Annually, KPS is estimated to kill 8.5 x 10(6) marine organisms (42 tons) by impingement. This amount, however, is minimal compared to commercial fishery harvests. Multispecies impingement at Malaysian power plants poses the problem of finding the best mitigation options for tropical situations.
    Matched MeSH terms: Environment*; Environmental Monitoring*
  16. Sustainability indicator system and policy processes in Malaysia: a framework for utilisation and learning
    Hezri AA
    J Environ Manage, 2004 Dec;73(4):357-71.
    PMID: 15531393
    Formulation of effective sustainability indicators for national assessment demands a comprehensive understanding of the utilisation, diffusion and dissemination of information in policy processes. To illustrate the dynamic of sustainability assessment within the context of policy processes, this paper uses a case study of national sustainability indicators development in Malaysia. Subsequently, this paper ascribes the limited achievement of national sustainability assessment in Malaysia to four types of constraints: meta-policy issues; technical capacities; communication concerns; and the inherent knowledge gaps within the indicator developer community vis-a-vis their theoretical limitations. It is proposed that such constraints will be encountered in many countries. Drawing from the literature on public policy, this paper outlines a framework for investigating indicator behaviour within policy processes based on well-established concepts such as knowledge utilisation and policy learning. I conclude this paper by elaborating on the corresponding future challenges that must be addressed before effective integration of sustainability indicators within policy systems can occur.
    Matched MeSH terms: Environment*
  17. Variation in pollen dispersal between years with different pollination conditions in a tropical emergent tree
    Kenta T, Isagi Y, Nakagawa M, Yamashita M, Nakashizuka T
    Mol Ecol, 2004 Nov;13(11):3575-84.
    PMID: 15488013
    We examined differences in pollen dispersal efficiency between 2 years in terms of both spatial dispersal range and genetic relatedness of pollen in a tropical emergent tree, Dipterocarpus tempehes. The species was pollinated by the giant honeybee (Apis dorsata) in a year of intensive community-level mass-flowering or general flowering (1996), but by several species of moths in a year of less-intensive general flowering (1998). We carried out paternity analysis based on six DNA microsatellite markers on a total of 277 mature trees forming four spatially distinct subpopulations in a 70 ha area, and 147 and 188 2-year-old seedlings originating from seeds produced in 1996 and 1998 (cohorts 96 and 98, respectively). Outcrossing rates (0.93 and 0.96 for cohorts 96 and 98, respectively) did not differ between years. Mean dispersal distances (222 and 192 m) were not significantly different between the 2 years but marginally more biased to long distance in 1996. The mean relatedness among cross-pollinated seedlings sharing the same mothers in cohort 96 was lower than that in cohort 98. This can be attributed to the two facts that the proportion of intersubpopulations pollen flow among cross-pollination events was marginally higher in cohort 96 (44%) than in cohort 98 (33%), and that mature trees within the same subpopulations are genetically more related to each other than those between different subpopulations. We conclude that D. tempehes maintained effective pollen dispersal in terms of outcrossing rate and pollen dispersal distance in spite of the large difference in foraging characteristics between two types of pollinators. In terms of pollen relatedness, however, a slight difference was suggested between years in the level of biparental inbreeding.
    Matched MeSH terms: Environment*
  18. The interplay of socio-psychological factors on school engagement among early adolescents
    Awang-Hashim R, Kaur A, Noman M
    J Adolesc, 2015 Dec;45:214-24.
    PMID: 26513126 DOI: 10.1016/j.adolescence.2015.10.001
    The study examined a conceptual model integrating existing knowledge on the linkages between life satisfaction, affect, purpose in life, and resilience with school engagement. This model posits direct relationships between all the social psychological variables and school engagement, and also indirect relationships between life satisfaction and school engagement as mediated by all the other variables in the study. The participants were 2381 students (1119 boys and 1262 girls) with average age of 15 years, from 40 national secondary schools in Malaysia. The findings supported the theoretical conceptualization. All variables were positively associated with school engagement. The strongest relationship was observed between overall life satisfaction and school engagement. The mediating model was partially supported. The study reiterates the adage that "it takes a village to raise a child". Implications for practice and future research are discussed in the context of engagement in school learning.
    Matched MeSH terms: Social Environment*
  19. Fulltext Applications of Environmental Epidemiology in Addressing Public Health Challenges in East Asia
    Su SB, Hashim JH, Yan CH
    Biomed Res Int, 2015;2015:462426.
    PMID: 26295038 DOI: 10.1155/2015/462426
    Matched MeSH terms: Environment*
  20. "Population is key factor in environmental degradation," Parliamentarian conference on ocean life declares
    Asian Forum Newsl, 1995 Oct-Dec.
    PMID: 12320069
    Matched MeSH terms: Environment*
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