1. Toward Health Information Liquidity: Realization of Better, More Efficient Care from the Free Flow of Health Information;Penfield,2009
2. The value of health care information exchange and interoperability;Walker;Health Aff. (Millwood),2005
3. Agency for Healthcare Research and Quality National Resource Center, Available from http://healthit.ahrq.hgov (Accessed 30.4.09).
4. Fifth Annual Survey of Health Information Exchange at the State and Local Levels;eHealth Initiative,2008
5. Creating sustainable local health information exchanges: can barriers to stakeholder participation be overcome?;Grossman;Res. Briefs,2008