Naevus comedonicus--treatment with retinoic acid.
D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D002648:Child; D006801:Humans; D008297:Male; D009506:Nevus / Q000188:drug therapy*; D009824:Ointments; D014801:Vitamin A / Q000627:therapeutic use*
D009824:Ointments; D014801:Vitamin A