共 10 条
- [1] ADAMS J, 1986, 24TH P BRIT C OBST G
- [3] BEARD RW, 1984, LANCET, V2, P946
- [5] FLEISCHER AC, 1986, J ULTRAS MED, V5, P445
- [8] POLSON DW, 1988, LANCET, V1, P870
- [10] TAKAHASHI K, 1988, Acta Obstetrica et Gynaecologica Japonica (Japanese Edition), V40, P789