Prospective study on the safety of long-term tetracycline therapy for acne.
D000152:Acne Vulgaris / Q000188:drug therapy*; D000284:Administration, Oral; D000293:Adolescent; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D013752:Tetracycline / Q000008:administration & dosage* / Q000627:therapeutic use
D013752:Tetracycline