1. WHO analysis of causes of maternal death: a systematic review;Khan;Lancet,2006
2. Postpartum haemorrhage: prevention;Chelmow;Clin Evid,2006
3. 4. World Health Organization. Managing Complications in Pregnancy and Childbirth: A Guide for Midwives and Doctors. WHO/RHR/00.7. Geneva, Switzerland: Author, 2005. Accessed June 30, 2008. Available at: http://www.who.int/reproductive-health/strategy.htm.
4. Getting knowledge into clinical practice;Figueras;BMJ,2005