U.S. Department of Health & Human Services, Office of Inspector General. (2004a). Advisory opinions. Retrieved March 12, 2005, from http://www.oig.hhs.gov/fraud/advisoryopinions/opinions.html
2.
U.S. Department of Health & Human Services, Office of Inspector General. (2004b). Listof excluded individuals/entities. Retrieved March 12, 2005, from http://www.oig.hhs.gov/fraud/exclusions/listofexcluded.html
