共 16 条
[3]
FRANKLIN EW, 1971, OBSTET GYNECOL, V37, P892
[4]
HACKER NF, 1984, OBSTET GYNECOL, V63, P155
[5]
HOFFMAN JS, 1983, OBSTET GYNECOL, V61, P615
[6]
IVERSEN T, 1981, OBSTET GYNECOL, V57, P85
[7]
KNEALE BL, 1984, GYNECOL ONCOL, V18, P134