1. CEN ENV 13606 “Electronic Healthcare Record Communication”.
2. T. Beale, A Model Universe for Health Information Standards (2003) http://www.deepthought.com.au.
3. Application of the component paradigm for analysis and design of advanced health system architectures;Blobel;Int. J. Med. Inf.,2000
4. Analysis, design and implementation of secure and interoperable distributed health information systems;Blobel,2002
5. G-CPR project: www.gcpr.gov.