Authors: Steven Offenbacher; James D Beck; Heather L Jared; Sally M Mauriello; Luisto C Mendoza; David J Couper; Dawn D Stewart; Amy P Murtha; David L Cochran; Donald J Dudley; Michael S Reddy; Nicolaas C Geurs; John C Hauth Journal: Obstet Gynecol Date: 2009-09 Impact factor: 7.661