Authors: Jimmy Espinoza; Juan Pedro Kusanovic; Chong Jai Kim; Yeon Mee Kim; Jung-Sun Kim; Sonia S Hassan; Francesca Gotsch; Luis F Gonçalves; Offer Erez; Lara Friel; Eleazar Soto; Roberto Romero Journal: Am J Obstet Gynecol Date: 2007-06 Impact factor: 8.661