Author
World Health Organization
789
American Society for Testing and Materials
682
United States Agency for Toxic Substances and Disease Registry
657
ASTM International
652
United Nations Environment Programme
562
International Program on Chemical Safety
548
International Labour Organisation
521
SpringerLink (Online service)
403
United States Environmental Protection Agency
343
National Toxicology Program (U.S.)
336
National Institute for Occupational Safety and Health
325
National Cancer Institute (U.S.) Division of Cancer Cause and Prevention
299
United States Agency for Toxic Substances and Disease Registry. Division of Toxicology
244
Syracuse Research Corporation
227
ebrary, Inc
217
Inter-Organization Programme for the Sound Management of Chemicals
194
National Institutes of Health (U.S.)
191
Films for the Humanities & Sciences (Firm)
177
Films Media Group
176
United States Environmental Protection Agency. Office of Water Regulations and Standards. Criteria & Standards Division
168
International Agency for Research on Cancer
135
United States Agency for Toxic Substances and Disease Registry. Division of Toxicology and Environmental Medicine
131
United States Environmental Protection Agency. Office of Toxic Substances
126
Carcinogenesis Testing Program (U.S.)
120
American Chemical Society Meeting
109
United States Environmental Protection Agency. Office of Research and Development
99
Clement Associates
90
National Cancer Institute (U.S.)
79
Royal College of Physicians of London
79
United States Public Health Service
73
Eisler, Ronald, 1932-
71
Julio Mario Santo Domingo Collection
71
Clement International Corporation
63
ProQuest (Firm)
63
U.S. Fish and Wildlife Service
63
Carson, Rachel, 1907-1964
59
Royal Society of Chemistry (Great Britain)
59
Canada Environment Canada
58
Food and Agriculture Organization of the United Nations
58
United States Environmental Protection Agency. Office of Pesticide Programs
57
Schatzow, Steven
56
United States Food and Drug Administration
55
U.S. Atomic Energy Commission
53
National Research Council (U.S.) Board on Environmental Studies and Toxicology
51
United States General Accounting Office
50
IARC Working Group on the Evaluation of Carcinogenic Risks to Humans
49
United States Public Health Service. Office of the Surgeon General
49
Environmental Research Laboratory (Duluth, Minn.)
48
National Library of Medicine (U.S.)
48
United States Environmental Protection Agency. Prevention, Pesticides, and Toxic Substances
48
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