371. Comparison of mechanisms of carcinogenesis by radiation and chemical agents Publication: [Bethesda, Md. : Medical Arts and Photography Branch, National Institutes of Health, 1983] Subject(s): Carcinogens -- chemistryHazardous Substances -- adverse effectsRadiation
372. Smoking spoils your performance: Placido Domingo Publication: [New York] : American Lung Association, c1983 Subject(s): Smoking -- prevention & controlSmoking -- adverse effects