Authors: Dwight J Rouse; Deborah G Hirtz; Elizabeth Thom; Michael W Varner; Catherine Y Spong; Brian M Mercer; Jay D Iams; Ronald J Wapner; Yoram Sorokin; James M Alexander; Margaret Harper; John M Thorp; Susan M Ramin; Fergal D Malone; Marshall Carpenter; Menachem Miodovnik; Atef Moawad; Mary J O'Sullivan; Alan M Peaceman; Gary D V Hankins; Oded Langer; Steve N Caritis; James M Roberts Journal: N Engl J Med Date: 2008-08-28 Impact factor: 91.245