1. American Hospital Association (AHA), Annual Survey Database, 2000.
2. Serious technology assessment for health care information technology;Cushman;J. Am. Med. Inform. Ass.,1997
3. Informating, not automating, the medical record;Friedman;J. Med. Syst.,1989
4. Health Care Financing Administration, Urban/Rural Reclassification (2001). Retrieved November 5, 2003. http://www.cms.hhs.gov/medicaid/survey-cert/06142001.pdf.
5. Iowa Hospital Association (IHA), Profiles, 2002.