共 17 条
[3]
DANIEL WW, 1987, BIOSTATISTICS F ANAL, P138
[4]
DONNER C, 1990, EUR J OBSTET GYN R B, V38, P183
[5]
DUMEZ Y, 1991, AM J OBSTET GYNECOL, V164, P28
[6]
ELSTER AD, 1991, OBSTET GYNECOL, V77, P387
[8]
LEROY B, 1971, REV FR GYNECOL, V66, P381
[9]
LYNCH L, 1990, OBSTET GYNECOL, V75, P735