共 34 条
[1]
*AM COLL OBST GYN, 1996, AM COLL OBST GYN PUB, V179
[2]
American College of Obstetrics and Gynecology, 1998, ACOG PRACT B
[4]
CHANGES IN CESAREAN DELIVERY IN THE UNITED-STATES, 1988 AND 1993
[J].
BIRTH-ISSUES IN PERINATAL CARE,
1995, 22 (02)
:63-67
[6]
Cragin E, 1916, NY STATE J MED, V104, P1
[7]
DUFF P, 1988, OBSTET GYNECOL, V71, P380