title: Occlusive tar extract therapy for recalcitrant psoriasis and seborrheic dermatitis of the scalp.
mesh_terms: D000287:Administration, Topical; D000293:Adolescent; D000328:Adult; D000368:Aged; D003033:Coal Tar / Q000008:administration & dosage / Q000627:therapeutic use*; D012628:Dermatitis, Seborrheic / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D011565:Psoriasis / Q000188:drug therapy*; D012536:Scalp Dermatoses / Q000188:drug therapy*
chemical_list: D003033:Coal Tar