Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance 1. Study of Family Life in Urban China, 1999 (ICPSR 28143) Xie, Yu; Pan, Zhongdang 2. Chinese Longitudinal Healthy Longevity Survey (CLHLS), 1998-2012 (ICPSR 36179) Zeng, Yi; Vaupel, James; Xiao, Zhenyu; et al.