1. Flexner A. Medical education in the United States and Canada. New York: Carnegie Foundation for the Advancement of Teaching; 1910.
2. Educating physicians for population-based clinical practice;Greenlick;JAMA,1992
3. Meanwhile back at the ranch;Cordes;Am J Prev Med,1995
4. Practicing preventive medicine;Liang;Am J Prev Med,1995
5. Graduate Medical Education National Advisory Committee. Vol. II: Modeling, research and data technical panel. Washington, DC: U.S. Government Printing Office, 1980; DHHS publication no. (HRA) 81-652:229–333.