1. Battelle Columbus Laboratories, Final report on a chronic inhalation toxicology study in rats and mice exposed to formaldehyde, Chemical Industry Institute of Toxicology, Research Triangle Park, NC (1981).
2. Champion Company, Expanding encyclopedia of mortuary practice, Published by the Service and Research Dept. of the Champion Company, Springfield, Ohio, No. 365, March (1966).
3. COMPARISON OF THE PROPORTIONATE MORTALITY RATIO AND STANDARDIZED MORTALITY RATIO RISK MEASURES
4. Mortality study of pathologists and medical laboratory technicians.