1. The contribution of specialists to the delivery of primary care: a new perspective;Aiken;N Engl J Med,1979
2. General Practice Study Report;Mendenhall,1977
3. Family Practice Study Report;Mendenhall,1978
4. Internal Medicine Practice Study Report;Mendenhall,1977
5. Obstetrics/Gynecology Practice Study Report;Mendenhall,1977