1. Unidentified educational costs in a university teaching hospital: An initial study;Busby;J Med Educ,1972
2. Differences in laboratory use and length of stay between university and community hospitals;Schroeder;J Med Educ,1977
3. Educational costs to hospitalized patients;Martz;J Med Educ,1978
4. A comparative study of laboratory utilization behavior of “on-service” and “off-service” housestaff physicians;Everett;Med Care,1983
5. Effects of teaching on hospital costs;Sloan;J Health Economics,1983