Errol R Norwitz1, Chaur-Dong Hsu, John T Repke. 1. Department of Obstetrics & Gynecology, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. enorwitz@partners.org
Authors: Jaume Ordi; Mamudo R Ismail; Carla Carrilho; Cleofé Romagosa; Nafissa Osman; Fernanda Machungo; Josep A Bombí; Juan Balasch; Pedro L Alonso; Clara Menéndez Journal: PLoS Med Date: 2009-02-24 Impact factor: 11.069