共 8 条
- [2] ALCORN D, 1977, J ANAT, V123, P649
- [5] FETAL ACTIVITY IN 100 NORMAL 3RD TRIMESTER PREGNANCIES [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1980, 87 (06): : 480 - 484
- [6] THIEBEAULT DW, 1985, J PEDIATR, V107, P273
- [8] WIGGLESWORTH JS, 1982, LANCET, V1, P264