Authors: A Metin Gülmezoglu; Mariana Widmer; Mario Merialdi; Zahida Qureshi; Gilda Piaggio; Diana Elbourne; Hany Abdel-Aleem; Guillermo Carroli; G Justus Hofmeyr; Pisake Lumbiganon; Richard Derman; Pius Okong; Shivaprasad Goudar; Mario Festin; Fernando Althabe; Deborah Armbruster Journal: Reprod Health Date: 2009-01-21 Impact factor: 3.223