1. Early destructive effects of sunlight on human skin;Kligman;JAMA,1969
2. Photoaging:the role of UVB, solar simulated UVB, visible and psoralen UVA radiation;Pfau;Br J Dermatol,1986
3. Ultraviolet carcinogenesis;Epstein,1970
4. Relative effectiveness of UVA and UVB for photocarcinogenesis;Forbes,1986
5. Carcinogenesis by UVA, with an attempt to assess the carcinogenic risk of tanning with UVA and UVB;Van Weelden,1986