United States. General Accounting Office. Computer-Based Patient Records: Short-Term Progress Made, but Much Work Remains to Achieve a Two-Way Data Exchange Between VA and DOD Health Systems, text, November 19, 2003; (https://digital.library.unt.edu/ark:/67531/metadc295289/m1/1/: accessed April 18, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .