Charlton BM(2014)Oral contraceptive use and mortality after 36 years of follow-up in the Nurses' Health Study: prospective cohort study BMJ 349 g6356-undefined
Charlton BM(2014)Oral contraceptive use and mortality after 36 years of follow-up in the Nurses' Health Study: prospective cohort study BMJ 349 g6356-undefined