Study Search Results Your query returned 4 results. Series results are grouped under the most relevant study. You can ungroup series results. Use the search box below to revise your search, or start a new search. 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 Hospital Program (CHP) Access Impact Evaluation Surveys, 1978-1979, 1981 (ICPSR 8245) Andersen, Ronald M.; Aday, Lu Ann 2. National Evaluation of Rural Primary Health Care Programs, 1979-1982 (ICPSR 8534) Sheps, Cecil G.; Wagner, Edward H. 3. National Medical Expenditure Survey, 1987: Ambulatory Medical Visit Data [Public Use Tape 14.5] (ICPSR 9881) United States Department of Health and Human Services. Agency for Health Care Policy and Research 4. National Study of Internal Medicine, Physician Practice Study, Phase III, 1981 (ICPSR 8301) Schleiter, Mary Kay; Tarlov, Alvin R.