Van den Berghe H
Science. 1970 Sep 25;169(3952):1318-20. doi: 10.1126/science.169.3952.1318.
In a study of 5631 Congolese newborn children, the incidence of numerical X-chromosomal anomalies was the same as was previously reported in Europe and in North America.
在一项对5631名刚果新生儿的研究中,X染色体数目异常的发生率与此前在欧洲和北美所报告的相同。