Isselmou, Ahmed Ould, Bernard Barrère, Mohamed Lemine Salem Ould Moujtaba, El Arbi Housni, and Mohamed Aly Ould Ekeibed. 2001. Mauritanie Enquête Démographique et de Santé 2000-01. Calverton, Maryland, USA: Office National de la Statistique - ONS/Mauritanie and ORC Macro. Available at http://dhsprogram.com/pubs/pdf/FR127/FR127.pdf.