共 2 条
- [1] TRANSABDOMINAL AND TRANSCERVICAL CHORIONIC VILLUS SAMPLING - EFFICIENCY AND RISK-EVALUATION OF 2,411 CASES [J]. AMERICAN JOURNAL OF MEDICAL GENETICS, 1990, 35 (02): : 160 - 164
- [2] Canadian Collaborative CVS-Amniocentesis Clinical Trial Group, 1989, LANCET, V1, P1