1. Rates and implications of cesarean sections in Latin America;Belizán;British Medical Journal,1999
2. Early neonatal mortality and cesarean delivery in Mexico City;Bobadilla;American Journal of Obstetrics and Gynecology,1991
3. The effect of physician practice organization on efficient utilization of hospital resources;Burns;Health Services Research,1994
4. Alone, I wouldn’t have known what to do;Campero;Social Science and Medicine,1998
5. Social support in Labor;Chalmers;Journal of Psychosomatic Research Obstetrics and Gynecology,1993