共 16 条
- [3] IMPROVEMENTS IN THE REGISTRATION AND ANALYSIS OF FETAL HEART-RATE RECORDS AT THE BEDSIDE [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1985, 92 (04): : 317 - 325
- [9] HICKS CR, 1973, FUNDAMENTAL CONCEPTS, P100
- [10] HUTT SJ, 1969, ADVANCES CHILD DEVEL, V4, P127