title: The effect of tar and ultraviolet on the skin.
mesh_terms: D003033:Coal Tar / Q000009:adverse effects / Q000494:pharmacology*; D004247:DNA / Q000096:biosynthesis; D004815:Epidermal Growth Factor / Q000096:biosynthesis; D004890:Erythema / Q000139:chemically induced; D006801:Humans; D011701:PUVA Therapy; D011565:Psoriasis / Q000188:drug therapy; D012867:Skin / Q000187:drug effects / Q000528:radiation effects; D014466:Ultraviolet Rays
chemical_list: D004815:Epidermal Growth Factor; D003033:Coal Tar; D004247:DNA