Acne vulgaris.
D000152:Acne Vulgaris / Q000209:etiology / Q000601:surgery / Q000628:therapy; D000293:Adolescent; D000367:Age Factors; D000728:Androgens; D003352:Corynebacterium; D003877:Dermatitis, Contact / Q000175:diagnosis; D003879:Dermatologic Agents / Q000627:therapeutic use; D003937:Diagnosis, Differential; D003875:Drug Eruptions / Q000175:diagnosis; D004700:Endocrine System Diseases; D006197:Hair; D006801:Humans; D008297:Male; D011602:Psychophysiologic Disorders; D012627:Sebaceous Glands; D013752:Tetracycline / Q000008:administration & dosage; D014467:Ultraviolet Therapy
D000728:Androgens; D003879:Dermatologic Agents; D013752:Tetracycline