Search results for: Peter E. Nielsen
American Journal of Obstetrics and Gynecology > 2013 > 209 > 4 > 382.e1-382.e8
American Journal of Obstetrics and Gynecology > 2002 > 186 > 4 > 613-617
American Journal of Obstetrics and Gynecology > 2000 > 183 > 4 > 863-867