Youth Cohort Study of England and Wales, 1985-1987; Cohort One, Sweep One to ...

Abstract copyright UK Data Service and data collection copyright owner. The Youth Cohort Study (YCS) is a major programme of longitudinal research designed to monitor the...本摘要的版权归英国数据服务中心（UK Data Service）及数据集采集的版权所有者所有。青年队列研究（Youth Cohort Study, YCS）是一项旨在监测……的大型纵向研究项目。