Authors: Uma M Reddy; Robert Goldenberg; Robert Silver; Gordon C S Smith; Richard M Pauli; Ronald J Wapner; Jason Gardosi; Halit Pinar; Marjorie Grafe; Michael Kupferminc; Ingela Hulthén Varli; Jan Jaap H M Erwich; Ruth C Fretts; Marian Willinger Journal: Obstet Gynecol Date: 2009-10 Impact factor: 7.623