共 6 条
- [1] CROWLEY P, 1980, J PERINAT MED, V8, P249
- [2] THE VALUE OF ULTRASOUND MEASUREMENT OF AMNIOTIC-FLUID VOLUME IN THE MANAGEMENT OF PROLONGED PREGNANCIES [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1984, 91 (05): : 444 - 448
- [3] Fleiss J. L., 1981, STAT METHODS RATES P, V2nd, P212