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. Survey of Midlife Development in Japan (MIDJA): Biomarker Project, 2009-2010 (ICPSR 34969) Markus, Hazel; Coe, Christopher; Ryff, Carol; et al. 2. Survey of Midlife Development in Japan (MIDJA), April-September 2008 (ICPSR 30822) Ryff, Carol D.; Kitayam, Shinobu; Karasawa, Mayumi; et al.