1. 25. U.S. Department of Health and Human Services, Office of Health Planning. Summary report of health planning agency experiences related to nuclear magnetic resonance devices. Washington, D.C. National Health Planning Information Center, September 24, 1983.
2. 22. Stiles S. Alpha Center for Health Planning, Bethesda, Md. Personal communication as cited in Steinberg and Cohen, 1984.
3. Effects of increased competition in health care on the use and innovation of medical technology