Tetracycline and oral contraceptives.
D003276:Contraceptives, Oral / Q000494:pharmacology*; D004347:Drug Interactions; D005260:Female; D006801:Humans; D011247:Pregnancy; D013752:Tetracycline / Q000494:pharmacology*
D003276:Contraceptives, Oral; D013752:Tetracycline