1. Epidemiologic evidence on the relationship between formaldehyde exposure and cancer;Blair;Scand. J. Work Environ. Health,1990
2. Mechanisms of chromium carcinogenicity and toxicity;Cohen;Crit. Rev. Toxicol.,1993
3. Mortality from respiratory cancers and other causes in United Kingdom chromate production workers;Davies;Br. J. Ind. Med.,1991
4. Publication bias in clinical research;Easterbrook;Lancet,1991
5. ERIC (Epidemiology Resource and Information Center), 1991, Guidelines for Good Epidemiology Practices for Occupational and Environmental Epidemiological Research, Chemical Manufacturers Association