1. ISO/IEC. ISO/IEC 11179: information technology – Metadata Registries (MDR) Parts 1–6, 2nd ed.
2. HITSP. C 154: HITSP data dictionary. [accessed 15.04.13].
3. HITSP. C 32: HITSP summary documents using HL7 Continuity of Care Document (CCD) component. [accessed 15.04.13].
4. HL7/ASTM. Continuity of Care Document (CCD). [accessed 15.04.13].
5. FHIMS. Federal Health Information Model. [accessed 15.04.13].