Linda A Bartlett, Shairose Mawji, Sara Whitehead, Chadd Crouse, Suraya Dalil, Denisa Ionete, Peter Salama,
Where giving birth is a forecast of death: maternal mortality in four districts of Afghanistan, 1999–2002 The Lancet. ,vol. 365, pp. 864- 870 ,(2005) ,
10.1016/S0140-6736(05)71044-8