1. Pritchard J, Baldwin R, Dickey J, et al. Blood volume changes in pregnancy and the puerperium. Am J Obstet Gynecol. 1962;84(10):1271–82.
2. Combs C, Murphy E, Laros R. Factors associated with postpartum hemorrhage and vaginal births. Obstet Gynecol. 1991;77:69–76.
3. Prendiville W, Elbourne D, Mc Donald S. Active versus expectant management in the third stage of labor. Cochrane Database Syst Rev. 2000;2:CD000007.
4. Hayman RG, Arulkumaran S, Steer PJ. Uterine compression sutures: surgical management of postpartum haemorrhage. Obstet Gynaecol. 2002;99:502–6.
5. Vangsgaard K. “B-Lynch-suture” in uterine atony. Ugeshr-Laeger. 2000;162:3468.