Study Search Results Your query returned 2 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 Tracking Study Physician Survey, 1996-1997: [United States] (ICPSR 2597) Center for Studying Health System Change 3 more results in Community Tracking Study Series 2. National Survey of Rural Physicians, 1993 (ICPSR 6848) Mueller, Curt D.