共 24 条
[3]
*AM COLL OBST GYN, 2000, FET MACR
[4]
American College of Obstetricians and Gynecologists, 2002, SHOULD DYST
[6]
Chauhan S P, 2003, J Matern Fetal Neonatal Med, V13, P203
[8]
CUNNINGHAM FG, 2001, WILLIAMS OBSTET, P3

