Topical treatment of psoriasis with tar.
D000287:Administration, Topical; D003033:Coal Tar / Q000008:administration & dosage; D005500:Follow-Up Studies; D006801:Humans; D011565:Psoriasis / Q000188:drug therapy*; D013638:Tars / Q000008:administration & dosage*
D013638:Tars; D003033:Coal Tar