1. Susan N. Nathanson, and Lan Lerman, “Outpatient Cancer Centers Implementation and Management”, American Hospital Publishing, Inc. (1988).
2. Dr. James Slater, Loma Linda University Medical Center, Proton Beam Therapy Cancer Center, private discussion.
3. Milton A. Rothman, The Laws of Physics, Fawcett World Library, (1963).
4. Waldeman Scharf, English Version Edited by Francis T. Cole, Particle Accelerators and Their Uses, Harwood Academic Publishers, (1986).
5. National Geographic, Volume 171, No. 1, Medicine’s New Vision, (January 1987).