1. The Flexner report on medical education in the United States and Canada 1910;Flexner,1910
2. The American Medical Association's Program of Accreditation in Continuing Medical Education;Ruhe;J Med Edu,1964
3. History of continuing medical education in the United States since 1930;Shepherd;J Med Ed,1960
4. Lifetime learning for physicians;Dryer;J Med Ed,1962
5. Continuing medical education a primer,1992