共 10 条
[1]
BLANCHETTE H, 1977, J REPROD MED, V19, P13
[2]
BRISCOE CC, 1954, OBSTET GYNECOL, V4, P375
[3]
DOOLITTLE HH, 1957, OBSTET GYNECOL, V9, P422
[4]
EDINGTON RF, 1968, CAN MED ASSOC J, V98, P1176
[5]
GALASK R P, 1976, Clinical Obstetrics and Gynecology, V19, P61, DOI 10.1097/00003081-197603000-00008
[7]
GOPLERUD C P, 1976, American Journal of Obstetrics and Gynecology, V126, P858
[9]
Koed H J, 1970, Ugeskr Laeger, V132, P1050
[10]
Schaupp K Jr, 1966, Trans Pac Coast Obstet Gynecol Soc, V34, P49