共 11 条
[1]
BACH HG, 1962, OBSTET GYNECOL SURVE, V17, P680
[2]
FAROOQUI MO, 1973, OBSTET GYNECOL SURV, V28, P144
[3]
FARRELL AGW, 1965, OBSTET GYNECOL SURVE, V20, P274
[5]
JOUPPILA P, 1975, ACTA OBSTET GYNAEC S, V44, P13
[6]
KAUPPILA A, 1975, ACTA OBSTET GYNECOL, V52, P5
[7]
KOIVISTO M, 1975, ACTA OBSTET GYNECOL, V52, P21
[8]
NAEYE RL, 1964, OBSTET GYNECOL SURVE, V19, P792
[9]
POWERS WF, 1973, OBSTET GYNECOL, V42, P795
[10]
SPARLING DW, 1964, AM J OBSTET GYNECOL, V88, P349