United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations, author.
Washington : U.S. Government Printing Office, 2013.
2013
United States. Congress. Senate. Committee on Health, Education, Labor, and Pensions.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009.
2009