Study of Twins in the National Child Development Study and the 1970 British C...

Abstract copyright UK Data Service and data collection copyright owner. The collection of cohort twin zygosity data for the National Child Development Study (NCDS) and the 1970...本摘要版权归英国数据服务中心（UK Data Service）与本数据集的版权所有者共同所有。本数据集涵盖全国儿童发展研究（National Child Development Study, NCDS）及1970年……的队列双胞胎合子分型数据。