[Effectiveness of vitamin A acid in acne].
D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D000328:Adult; D055598:Chemical Phenomena; D002621:Chemistry; D005500:Follow-Up Studies; D006801:Humans; D013997:Time Factors; D014212:Tretinoin / Q000627:therapeutic use*
D014212:Tretinoin
Badania nad skutecznościa działania kwasu witaminy A u chorych z tradzikiem.