Study Search Results Your query returned 5 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. Center for Research on Social Reality [Spain] Survey, April 1991: Social inequalities Based on Sex and Age (ICPSR 9893) Centro de Investigaciones Sobre la Realidad Social (CIRES) 2. Chinese Longitudinal Healthy Longevity Survey (CLHLS), 1998-2002 (ICPSR 3891) Yi, Zeng; Vaupel, James W.; Zhenyu, Xiao; et al. 3. Chinese Longitudinal Healthy Longevity Survey (CLHLS), 1998-2005 (ICPSR 24901) Yi, Zeng; Vaupel, James W.; Zhenyu, Xiao; et al. 4. National Long-Term Care Survey: 1982, 1984, 1989, 1994, 1999, and 2004 (ICPSR 9681) Manton, Kenneth G. 5. SABE - Survey on Health, Well-Being, and Aging in Latin America and the Caribbean, 2000 (ICPSR 3546) Pelaez, Martha; Palloni, Alberto; Albala, Cecilia; et al.