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2. Initiation and promotion actions of ultraviolet radiation on malignant melanoma;Elwood,1984
3. Causes and effects of stratospheric ozone reduction: An update;National Research Council,1982
4. Cutaneous photocarcinogenesis;Urbach;Environ Carcinogen Rev,1987
5. Site distribution of malignant melanoma;Elwood;Can Med Assoc J,1983