Search Results Use the search box below to revise your search, or start a new search. Studies (3) Variables Publications Your query returned 3 studies. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Chinese Longitudinal Healthy Longevity Survey (CLHLS), 1998-2014 (ICPSR 36692) Zeng, Yi; Vaupel, James; Xiao, Zhenyu; et al. 2. Chitwan Valley [Nepal] Family Study: Labour Outmigration, Agricultural Productivity and Food Security (ICPSR 36755) Ghimire, Dirgha 3. National Survey of Midlife Development in the United States (MIDUS 3), 2013-2014 (ICPSR 36346) Ryff, Carol; Almeida, David; Ayanian, John; et al.