Search Results Use the search box below to revise your search, or start a new search. Studies (1) Variables Publications Your query returned 1 studies. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Six-State Survey of Elderly Dual Enrollees in Medicare and Medicaid, 1999 (ICPSR 3240) Kasper, Judith D.