Improving America's health [electronic resource] : examining federal research efforts for pulmonary hypertension and chronic pain : hearing before the Subcommittee on Health of the Committee on Energy and Commerce, House of Representatives, One Hundred Ninth Congress, first session, December 8, 2005.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2005.
Mode of access via the GPO Access web site. Address as of 3/28/06: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=109%5Fhouse%5Fhearings&docid=f:25704.pdf; current access available via PURL.