Não informado. (1972). Environmental Health Perspectives. National Institute of Environmenatl Health Sciences.
Citace podle Chicago (17th ed.)Não informado. Environmental Health Perspectives. Research Triangle Park, NC: National Institute of Environmenatl Health Sciences, 1972.
Citace podle MLA (8th ed.)Não informado. Environmental Health Perspectives. National Institute of Environmenatl Health Sciences, 1972.
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