共 12 条
- [1] [Anonymous], 1976, JAMA, V236, P1471
- [2] ASHMEAD GG, 1987, 1ST TRIM GEN DIAGN T
- [3] BENACERRAF BR, 1983, OBSTET GYNECOL, V62, P760
- [4] BOWERMAN RA, 1987, OBSTET GYNECOL, V70, P806
- [5] CRANDALL BF, 1980, OBSTET GYNECOL, V56, P625
- [6] GODMILOW L, 1987, American Journal of Human Genetics, V41, pA275