title: Vitamin A acid in acne.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D000328:Adult; D002338:Carotenoids / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D012459:Salicylates / Q000008:administration & dosage*
chemical_list: D012459:Salicylates; D002338:Carotenoids