1. Skin type, hair color, and freckles are predictors of decreased minimal erythema ultraviolet radiation dose;Azizi;J Am Acad Dermatol,1988
2. Photodestruction of pheomelanin;Chedekel;Photochem Photobiol,1977
3. Comparison of pigment responses in human skin to UVB and UVA radiation;Gange;Prog Clin Biol Res,1988
4. Sonnenbrand und Sonnenbräunung. Wissenschaftliche Veröffentlichungen des Siemens Konzerns;Hausser,1927
5. English translation: Sunburn and suntanning,1969