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. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Population Assessment of Tobacco and Health (PATH) Study [United States] Restricted-Use Files (ICPSR 36231) United States Department of Health and Human Services. National Institutes of Health. National Institute on Drug Abuse; United States Department of Health and Human Services. Food and Drug Administration. Center for Tobacco Products 2. Survey of Midlife Development in Japan (MIDJA 2), May-October 2012 (ICPSR 36427) Ryff, Carol D.; Kitayama, Shinobu; Karasawa, Mayumi; et al.