1. HITECH Act Enforcement Interim Final Rule. U.S. Department of Health & Human Services. 2009. Available at: http://www.hhs.gov/ocr/privacy/hipaa/administrative/enforcementrule/hitechenforcementifr.html. Accessed January 25, 2015.
2. HealthIT.gov. Meaningful use definition and meaningful use objectives of EHRs. U.S. Department of Health and Human Services. 2014. Available at: www.healthit.gov/providers-professionals/meaningful-use-definition-objectives. Accessed January 26, 2015.
3. Centers for Medicare & Medicaid Services. Definition stage 1 of meaningful use. 2014. Available at: http://www.cms.gov/regulations-and-guidance/legislation/ehrincentiveprograms/meaningful_use.html. Accessed January 1, 2015.
4. Finding the meaning in meaningful use;Classen;N Engl J Med,2001
5. The ‘meaningful use’ regulation for electronic health records;Blumenthal;N Engl J Med,2010