共 34 条
[1]
*AM COLL OBST GYN, 1999, ACOG PRACT B, V5
[2]
*AM COLL OBST GYN, 1996, INT J GYNECOL OBSTET, V52, P90
[3]
American College of Obstetricians and Gynecologists, 2001, Obstet Gynecol, V97, P1
[4]
[Anonymous], 1999, Int J Gynaecol Obstet, V66, P197
[5]
[Anonymous], 1996, GUID CLIN PREV SERV
[8]
Cragin E, 1916, NY STATE J MED, V104, P1
[9]
US cesarean and VBAC rates stalled in the mid-1990s
[J].
BIRTH-ISSUES IN PERINATAL CARE,
2000, 27 (01)
:54-57
[10]
DOUGLAS RG, 1963, AM J OBSTET GYNECOL, V86, P961