Authors: Gayle Olson; Steven J Weiner; Dwight J Rouse; Uma M Reddy; Brian M Mercer; Michael W Varner; Kenneth J Leveno; Jay D Iams; Ronald J Wapner; Susan M Ramin; Fergal D Malone; Marshall W Carpenter; Mary J O'Sullivan; Mara J Dinsmoor; Gary D V Hankins; Steve N Caritis Journal: Am J Perinatol Date: 2015-03-02 Impact factor: 1.862