Authors: Steven L Clark; Roberto Romero; Gary A Dildy; William M Callaghan; Richard M Smiley; Arthur W Bracey; Gary D Hankins; Mary E D'Alton; Mike Foley; Luis D Pacheco; Rakesh B Vadhera; J Patrick Herlihy; Richard L Berkowitz; Michael A Belfort Journal: Am J Obstet Gynecol Date: 2016-06-29 Impact factor: 8.661