1. 3M Corporation: 3M Health Information Systems index. http://www.3M.com/market/healthcare/his/us/products/care_inno/
2. ABC News Chip transplant creates cyborg. http://abcnews.go.com/sections/tech/DailyNews/chiptransplant980825.html
3. Agilent Technologies. Healthcare solutions group. http://www.healthcare.agilent.com/mpg/
4. Information technologies: Will health care join in the information age?;Amara,2000
5. American Medical Association Journals of the AMA. http://pubs.ama-assn.org