共 16 条
- [11] SCHINDLER HE, 1967, OBSTET GYNECOL, V129, P625
- [12] TAYLOR ES, 1963, AM J OBSTET GYNECOL, V85, P10
- [13] USHER R, 1966, PEDIAT CLIN N AMER, V13
- [14] WILLOWS RL, 1966, CAN MED ASSOC J, V94, P1098
- [15] YOUSEM H, 1966, OBSTET GYNECOL, V28, P491
- [16] ZONDEK B, 1959, Acta Obstet Gynecol Scand, V38, P742