Walczak, S., Brimhall, B. B. & Lefkowitz, J. B., 2008, Healthcare Information Systems and Informatics: Research and Practices.IGI Global, p. 108-13023 p.
Walczak, S., Brimhall, B. B. & Lefkowitz, J. B., sept 30 2008, Medical Informatics: Concepts, Methodologies, Tools, and Applications.IGI Global, Vol. 1-4. p. 562-57918 p.