共 12 条
[2]
ACKER DB, 1985, OBSTET GYNECOL, V66, P762
[3]
BENEDETTI TJ, 1978, OBSTET GYNECOL, V52, P526
[4]
ELLIOTT JP, 1982, OBSTET GYNECOL, V60, P159
[10]
MODANLOU HD, 1982, OBSTET GYNECOL, V60, P417