1. WHO guidelines for the management of postpartum haemorrhage and retained placenta, 2009, World Health Organization
2. Strategies to manage major obstetric haemorrhage;Wise;Curr Opin Anaesthesiol,2008
3. Prevention and management of postpartum haemorrhage;Arulkumaran;Royal College of Obstetricians and Gynaecologists Green-top Guideline 52,2009
4. Factors associated with hemorrhage in cesarean deliveries;Combs;Obstet Gynecol,1991
5. Factors associated with postpartum hemorrhage with vaginal birth;Combs;Obstet Gynecol,1991