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Journal of Occupational Medicine. : Official Publication of the Industrial Medical Association|April 1, 1992
Liver enzymes among microelectronics equipment maintenance techniciansM Upfal
Journal of Occupational Medicine. : Official Publication of the Industrial Medical Association|August 1, 1990
Medical management of hydrofluoric acid exposureM Upfal, C Doyle
Journal of Occupational and Environmental Medicine|July 3, 1999
Concentration of marijuana metabolites in the urine after ingestion of hemp seed teaG C Steinagle, M Upfal
Environmental Health Perspectives|January 1, 1995
Design issues in studies of radon and lung cancer: implications of the joint effect of smoking and radonM Upfal, G Divine, J Siemiatycki
American Journal of Health Promotion : AJHP|March 27, 2001
The effect of disease prevention and health promotion on workplace productivity: a literature reviewJ E Riedel, W Lynch, C Baase, et al.
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