Authors: Katherine L Grantz; Sungduk Kim; William A Grobman; Roger Newman; John Owen; Daniel Skupski; Jagteshwar Grewal; Edward K Chien; Deborah A Wing; Ronald J Wapner; Angela C Ranzini; Michael P Nageotte; Stefanie N Hinkle; Sarah Pugh; Hanyun Li; Karin Fuchs; Mary Hediger; Germaine M Buck Louis; Paul S Albert Journal: Am J Obstet Gynecol Date: 2018-05-24 Impact factor: 8.661