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Chicago-viite (17. p.)National Institute of Environmental Health Sciences. Environmental Health Perspectives: EHP. [Research Triangle Park, N.C.]: U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Institute of Environmental Health Sciences, 1972.
MLA-viite (9. p.)National Institute of Environmental Health Sciences. Environmental Health Perspectives: EHP. U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Institute of Environmental Health Sciences, 1972.