1. Cooperation in Health. A Report of Secretary Califano's visit to the PRC. DHEW,1979
2. Introduction to Telemedicine,1999
3. Twelve months' experience with telemedicine for the British armed forces;Vassallo;J. Telemed. Telecare,1995
4. Medical Informatics,2000
5. Medinfo 92 Proc. Int. Medical Informatics Association,1992