共 50 条
- [1] PROSPECTIVE-STUDY OF PRENATAL SCREENING FOR DOWNS-SYNDROME WITH FREE BETA-HUMAN CHORIONIC-GONADOTROPIN BRITISH MEDICAL JOURNAL, 1993, 307 (6907): : 764 - 769
- [3] ALPHAFETOPROTEIN AND CHORIONIC-GONADOTROPIN LEVELS IN RELATION TO DOWNS-SYNDROME LANCET, 1984, 2 (8405): : 750 - 750
- [6] DOUBTS USING FAMILY HISTORY, AGE, ALPHA-FETOPROTEIN AND TOTAL HUMAN CHORIONIC-GONADOTROPIN IN SCREENING FOR DOWNS-SYNDROME BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1995, 102 (04): : 349 - 349
- [7] DOUBTS USING FAMILY HISTORY, AGE, ALPHA-FETOPROTEIN AND TOTAL HUMAN CHORIONIC-GONADOTROPIN IN SCREENING FOR DOWNS-SYNDROME BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1994, 101 (08): : 710 - 711