1. Aguilar, A. (2005, December). Semantic Interoperability in the context of eHealth. Paper presented at the HP/DERI/CIMRU Research Seminar. Galway, Ireland.
2. Aspden, P., Corrigan, J. M., Wolcott, J., & Erickson, S. M. (Eds.). (2004). Patient safety: Achieving a new standard for care. National Academy Press.
3. Beckwith, B.A., Aller, R.D., Brassel, J.H., Brodsky B.V., & Baca M.E. (2013). Laboratory Interoperability Best Practices. College of American Pathologists. Retrieved February 02, 2014, from http://www.cap.org/apps/docs/committees/informatics/cap_dihit_lab_interop_final_march_2013.pdf
4. Catley, C., & Frize, M. (2002, October). Design of a health care architecture for medical data interoperability and application integration. Paper presented at the Engineering in Medicine and Biology, 2002. New York, NY..
5. Center for Information Technology Leadership, Partners Healthcare System (CITL), Healthcare Information, & Management Systems Society. (2004). The value of healthcare information exchange and interoperability. Healthcare Information and Management Systems Society. Retrieved February 02, 2014, from http://www.partners.org/cird/pdfs/CITL_HIEI_Report.pdf