共 160 条
[21]
CHARLES D, 1973, OBSTETRIC PERINATAL
[22]
CLUFF LE, 1972, CLINICAL CONCEPTS IN
[23]
Colebrook L, 1936, LANCET, V1, P1279
[24]
Colebrook L, 1936, LANCET, V2, P1319
[25]
COLLINS CG, 1951, SURGERY, V30, P298
[26]
Cowie D H, 1967, J Obstet Gynaecol Br Commonw, V74, P608
[27]
DCRUZ IA, 1968, OBSTET GYNECOL, V31, P775
[28]
Dickins A M, 1966, J Obstet Gynaecol Br Commonw, V73, P460
[29]
DIMUSTO JC, 1973, OBSTET GYNECOL, V41, P33
[30]
DOUGLAS RG, 1959, CLIN OBSTET GYNECOL, V2, P693