Study Search Results Your query returned 4 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. Community Tracking Study Household Survey, 1998-1999, and Followback Survey, 1998-2000: [United States] (ICPSR 3199) Center for Studying Health System Change 2 more results in Community Tracking Study Series 2. National Medical Care Expenditure Survey, 1977 (ICPSR 8325) National Center for Health Services Research 39 more results in National Medical Expenditure Survey Series 3. National Survey of Access to Medical Care, 1982 (ICPSR 8244) Andersen, Ronald M.; Aday, Lu Ann 4. RAND Health Insurance Experiment [in Metropolitan and Non-Metropolitan Areas of the United States], 1974-1982 (ICPSR 6439) Newhouse, Joseph P.