Investigating racial differences in risk factors for primary cesarean delivery
American Journal of Obstetrics and Gynecology (2015) - Comments
pubmed: 25637848  doi: 10.1016/j.ajog.2015.01.029  issn: 1097-6868  issn: 0002-9378 

Caroline J. Min, Deborah B. Ehrenthal, Donna M. Strobino