Connor J M, Gilmore D H
J Med Genet. 1984 Jun;21(3):213-4. doi: 10.1136/jmg.21.3.213.
Parental ages and birth order were analysed in 16 sporadic cases of inv dup (15) using the method of Smith. A significant maternal age effect was apparent (dm = 5.989, SE 1.86; df = 2.02, SE 2.496; db = 0.138, SE 0.46).
采用史密斯方法,对16例15号染色体倒位重复的散发病例的父母年龄和出生顺序进行了分析。明显存在显著的母亲年龄效应(dm = 5.989,标准误1.86;df = 2.02,标准误2.496;db = 0.138,标准误0.46)。