Retinoic acid in the treatment of lichen planus.
D005260:Female; D006801:Humans; D008010:Lichen Planus / Q000188:drug therapy*; D008297:Male; D009824:Ointments; D010858:Pigmentation; D011537:Pruritus / Q000188:drug therapy; D013997:Time Factors; D014801:Vitamin A / Q000008:administration & dosage / Q000627:therapeutic use*
D009824:Ointments; D014801:Vitamin A