共 23 条
- [1] ABELL MR, 1966, CAN MED ASSOC J, V94, P1102
- [2] BLOOM MAX L., 1962, S AFRICAN MED JOUR, V36, P714
- [4] DIMASI FT, 1960, OBSTET GYNECOL, V15, P315
- [5] ELDERSVELD HC, UNPUBLISHED DATA
- [6] FAGAN GE, 1956, OBSTET GYNECOL, V7, P418
- [7] FUNCK-BRENTANO P, 1958, Rev Fr Gynecol Obstet, V53, P217
- [8] GEVAERTS POH, 1963, THESIS LEIDEN
- [9] GRABER E A, 1969, Clinical Obstetrics and Gynecology, V12, P958
- [10] GREENE H J, 1969, Clinical Obstetrics and Gynecology, V12, P972