Washington, DC: VA Office of the Inspector General; June 28, 2022. Report No 21-03349-186.
Washington, DC: Department of Veterans Affairs, Office of Inspector General. January 5, 2021. Report No. 20-01521-48.
Kirkup B. London, England: Crown Copyright; 2020. ISBN 9781528622714.
Washington, DC: Department of Veterans Affairs, Office of Inspector General; September 3, 2020. Report No 19-09493-249.
SB 3380. 116th Congress (2020).
Washington, DC: United States Government Accountability Office; November 2, 2012. Publication GAO-13-26.
Sydney, Australia: Australian Commission on Safety and Quality in Health Care; 2008. ISBN: 9780980346275.