Search Results Use the search box below to revise your search, or start a new search. Studies (7) Variables Publications Your query returned 5 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Community Hospital Program (CHP) Access Impact Evaluation Surveys, 1978-1979, 1981 (ICPSR 8245) Andersen, Ronald M.; Aday, Lu Ann 2. Community Tracking Study Physician Survey, 1996-1997: [United States] (ICPSR 2597) Center for Studying Health System Change 2 more results in Community Tracking Study Series 3. Health Maintenance Organizations in the United States, 1984 (ICPSR 8468) Louis Harris and Associates, Inc. 4. National Study of Internal Medicine, Physician Practice Study, Phase III, 1981 (ICPSR 8301) Schleiter, Mary Kay; Tarlov, Alvin R. 5. National Survey of Rural Physicians, 1993 (ICPSR 6848) Mueller, Curt D.