1. Seeking a balanced physician workforce for the 21st century;Cooper;JAMA,1994
2. Regulation won't solve our workforce problems;Cooper;Internist [Berl],1994
3. Improving access to health care through physician workforce reform: directions for the 21st Century;Council on Graduate Medical Education,1992
4. Nurse practitioner redux;DeAngelis;JAMA,1994
5. American Medical Association. Physician characteristics and distribution in the US. Chicago: American Medical Association.