共 32 条
[1]
BIRNBAUM SJ, 1956, OBSTET GYNECOL, V7, P611
[2]
BROWNE A D, 1965, J Obstet Gynaecol Br Commonw, V72, P557
[3]
BROWNE OD, 1951, J OBSTET GYNAECOL BR, V58, P551
[4]
CASE BD, 1971, J OBSTET GYN BR COMM, V78, P203
[5]
DEWHURST CJ, 1957, J OBSTET GYNAECOL, V64, P113
[6]
DONNELLY JP, 1964, OBSTET GYNECOL, V23, P774
[7]
DONNELLY JP, 1967, OBSTET GYNECOL, V29, P871
[8]
DOUGLAS KG, 1963, AM J OBSTET GYNECOL, V86, P961
[9]
EAMES HH, 1953, AM J OBSTET GYNECOL, V65, P944
[10]
ERHARDT CL, 1958, OBSTET GYNECOL, V11, P241