Treatment of severe nodulocystic acne.
D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D006801:Humans; D008297:Male; D011802:Quinidine / Q000627:therapeutic use*; D014212:Tretinoin / Q000627:therapeutic use*
D014212:Tretinoin; D011802:Quinidine