1[2]National Institute of Child Health and Human Development Research Planning Workshop.Electronic fetal heart rate monitoring:research guidelines for interpretation.Am J Obstet Gynecol,1997,177:1385-1390.
3Cunningham FG, Gant NF, Leveno KJ, et al. Willams Obstetrics. 21th ed. New York: McGraw-Hill, 2001, 621-623.
4Ananth CV, Berkowitz GS, Savitz DA, et al. Placental abruption and adverse perinatal outcomes. JAMA, 1999, 282 : 1646-1651.
5Abu-Heija A, al-Chalabi H, el-lloubani N. Abruptio placentae:risk factors and perinatal outcome. J Obstet Gyrnaecol Res, 1998,141-144.
6Morgan MA, Berkowitz KM, Thomas SJ, et al. Abruptio placentae: perinatal outcome in normotensive and hypertensive patients.Am J Obstet Gynecol, 1994,1595-1599.