共 11 条
[1]
Aziz F A, 1980, Int J Gynaecol Obstet, V18, P144
[2]
BASKETT TF, 1977, CAN MED ASSOC J, V116, P1001
[4]
HARLAP S, 1977, ISRAEL J MED SCI, V13, P1073
[7]
PALLIEZ R, 1971, Gynecologie et Obstetrique, V70, P421
[8]
PALLIEZ R, 1971, Gynecologie et Obstetrique, V70, P317
[9]
PRITCHARD JA, 1985, WILLIAMS OBSTETRICS, P3
[10]
Solomons B, 1934, LANCET, V2, P8