Orrillo M, Descailleaux J, Pereda J, Hermoza P, Alvarado E
J Genet Hum. 1976 Sep;24(3):221-6.
Screening nuclear sex in buccal mucosa cells in 2,213 apparently normal newborns up to 24 hours from the Maternity Hospital of Lima showed that 3 newborn males out of 1,124, had chromatin-positive cells (2.66 per thousand). X-chromosome anomalies were not detected in 1,089 females examined.
对利马妇产医院2213名出生24小时内外观正常的新生儿的颊黏膜细胞进行核性别筛查,结果显示,在1124名男婴中有3名男婴的细胞呈染色质阳性(千分之2.66)。在检查的1089名女婴中未检测到X染色体异常。