共 50 条
- [4] RISK OF DOWN SYNDROME AMONG RELATIVES OF DOWN SYNDROME INDIVIDUALS AMERICAN JOURNAL OF MEDICAL GENETICS, 1985, 22 (01): : 213 - 214
- [8] RISK OF DOWN SYNDROME AMONG RELATIVES OF DOWN SYNDROME INDIVIDUALS - REPLY AMERICAN JOURNAL OF MEDICAL GENETICS, 1985, 22 (01): : 215 - 216