Proceedings: Cyclical variation in factors VII and VIII associated with oral contraception.
D003276:Contraceptives, Oral / Q000494:pharmacology*; D005167:Factor VII / Q000378:metabolism*; D005169:Factor VIII / Q000378:metabolism*; D005260:Female; D006801:Humans; D008598:Menstruation
D003276:Contraceptives, Oral; D005167:Factor VII; D005169:Factor VIII