Social Variations in Health in Early Old Age : Investigation of Precursors in...

Abstract copyright UK Data Service and data collection copyright owner. The original aims of this project in 1997 were:to investigate the processes which generate variations in...摘要版权归英国数据服务（UK Data Service）及数据采集版权所有者所有。该项目于1997年的初始研究目标为：探究产生……变异的各类过程。