Buekens Pierre, Belizán José M, Jacquérioz Frédérique A
Center for Evidence-Based Global Health, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA 70112, USA.
Paediatr Perinat Epidemiol. 2008 Jan;22 Suppl 1:1-3. doi: 10.1111/j.1365-3016.2007.00905.x.