Search results for: Eric Vittinghoff
Contraception > 2018 > 97 > 1 > 34-40
American Journal of Obstetrics and Gynecology > 2016 > 215 > 1 > 78.e1-78.e9
Contraception > 2018 > 97 > 1 > 34-40
American Journal of Obstetrics and Gynecology > 2016 > 215 > 1 > 78.e1-78.e9