title: Changing skin colors.
authors: Retired.
authors: Walter H C
authors: WH
authors: Burgdorf
authors: private practice.
authors: Leonard J
authors: LJ
authors: Hoenig
mesh_terms: D000818:Animals; D006801:Humans; D018462:Photobiology; D012880:Skin Pigmentation / Q000502:physiology* / Q000528:radiation effects*; D014466:Ultraviolet Rays