Acne vulgaris--a study of sixty-nine cases.
D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D000328:Adult; D001205:Ascorbic Acid / Q000627:therapeutic use; D001789:Blood Group Antigens; D002648:Child; D003879:Dermatologic Agents / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male
D001789:Blood Group Antigens; D003879:Dermatologic Agents; D001205:Ascorbic Acid