Study Search Results Your query returned 2 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 Examination Survey, Cycle I, 1959-1962: Demographic Data and Symptoms of Psychological Distress (ICPSR 9209) United States Department of Health and Human Services. National Center for Health Statistics 2. United States National Health Measurement Study, 2005-2006 (ICPSR 23263) Fryback, Dennis G.