1. Causes of maternal mortality in the United States;Kaunitz;Obstet Gynecol,1985
2. Blood volume changes in pregnancy and the puerperum. II. Red blood cell loss and changes in apparent blood volume during and following vaginal delivery, cesarean section, and cesarean section plus total hysterectomy;Pritchard;Am J Obstet Gynecol,1962
3. Effect of type of anesthesia on blood loss at cesarean section;Gilstrap;Obstet Gynecol,1987
4. The “grand multipara” - is it a problem? A review of 5785 cases;Fuchs;Int J Gynaecol Obstet,1985
5. Management of severe postpartum hemorrhage due to uterine atony using an analogue of prostaglandin F2α;Hayashi;Obstet Gynecol,1981