Increase in maternal mortality associated with change in the reproductive pattern in Spain: 1996–2005
M Á Luque Fernández, A Bueno Cavanillas, M Dramaix-Wilmet, F S Soria, J de Mata Donado Campos, D H Guibert
Journal of Epidemiology & Community Health Jun 2009, 63 (6) 433-438; DOI: 10.1136/jech.2008.082735