title: Oral vitamin A acid therapy.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy; D000284:Administration, Oral; D000287:Administration, Topical; D002294:Carcinoma, Squamous Cell / Q000188:drug therapy; D007644:Darier Disease / Q000188:drug therapy; D004341:Drug Evaluation; D006801:Humans; D007057:Ichthyosis / Q000188:drug therapy; D007972:Leukoplakia, Oral / Q000188:drug therapy; D010212:Papilloma / Q000188:drug therapy; D011565:Psoriasis / Q000188:drug therapy; D012871:Skin Diseases / Q000188:drug therapy*; D012872:Skin Diseases, Vesiculobullous / Q000188:drug therapy; D012878:Skin Neoplasms / Q000188:drug therapy*; D014212:Tretinoin / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D014801:Vitamin A / Q000031:analogs & derivatives*
chemical_list: D014801:Vitamin A; D014212:Tretinoin