共 50 条
- [44] PARENTAL AGE IN DOWNS SYNDROME (MONGOLISM) [J]. JOURNAL OF PEDIATRICS, 1965, 67 (04): : 631 - +
- [47] THE ROLE OF MATERNAL ILLNESS DURING PREGNANCY IN THE ETIOLOGY OF MONGOLISM [J]. AMERICAN JOURNAL OF MENTAL DEFICIENCY, 1948, 53 (02): : 284 - 293
- [49] Curve fitting with least squares [J]. CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY, 2000, 30 (01) : 59 - 74
- [50] AN ANALYTIC APPROACH TO CURVE FITTING [J]. AEU-ARCHIV FUR ELEKTRONIK UND UBERTRAGUNGSTECHNIK-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, 1986, 40 (01): : 51 - 58