Letter. Meperidine and combination oral contraceptives.
D003276:Contraceptives, Oral / Q000494:pharmacology*; D004338:Drug Combinations; D004347:Drug Interactions; D005260:Female; D006801:Humans; D008614:Meperidine / Q000494:pharmacology*
D003276:Contraceptives, Oral; D004338:Drug Combinations; D008614:Meperidine