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Author/Creator
- United States. Occupational Safety and Health Administration52
- National Institute for Occupational Safety and Health10
- National Institute for Occupational Safety and Health. Division of Technical Services6
- United States. Bureau of Labor Statistics4
- American Medical Association. Dept. of Environmental, Public, and Occupational Health2
- Hatch, Loren L.2
- International Labour Office2
- Minnesota. Bureau of Labor, Industries, and Commerce2
- United States2
- United States. General Accounting Office2
- American Medical Association1
- American Medical Association Congress on Occupational Health (37th : 1977 : St. Louis, Mo.)1
- American Medical Association Congress on Occupational Health (38th : 1978 : University of Arizona Health Sciences Center)1
- American Medical Association Congress on Occupational Health (39th : 1979 : NIOSH Educational Research Center)1
- American National Standards Institute. Subcommittee N43-7.1
- AsiaVisions Media Foundation1
- Autoridad Regulatoria Nuclear (Argentina)1
- Conference on Accident Prevention Engineering1
- Dochow, Franz, 1875-1
- Edgerton, Germeshausen & Grier1