Study Search Results Your query returned 1 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. National Health and Social Life Survey, 1992: [United States] (ICPSR 6647) Laumann, Edward O.; Gagnon, John H.; Michael, Robert T.; et al.