The progestogen content of combined oral contraceptives and venous thromboembolic risk.
Philip C
PC
Hannaford
D003276:Contraceptives, Oral / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D011247:Pregnancy; D054556:Venous Thromboembolism / Q000453:epidemiology*
D003276:Contraceptives, Oral