Miller Emily S, Grobman William A
Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
Obstet Gynecol. 2014 Sep;124(3):637. doi: 10.1097/AOG.0000000000000444.