An open evaluation of retinoic acid in acne.
D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D000328:Adult; D002648:Child; D004890:Erythema / Q000139:chemically induced; D005260:Female; D006801:Humans; D008297:Male; D014801:Vitamin A / Q000009:adverse effects / Q000627:therapeutic use*
D014801:Vitamin A