title: Tretinoin (retinoic acid) in acne.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D002338:Carotenoids / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D005231:Fatty Acids, Unsaturated / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D012867:Skin / Q000187:drug effects; D012996:Solutions
chemical_list: D005231:Fatty Acids, Unsaturated; D012996:Solutions; D002338:Carotenoids