Health services research : hearings before the Subcommittee on Health and Environment of the Committee on Energy and Commerce, House of Representatives, One Hundredth Congress, first session.
United States.Congress.House.Committee on Energy and Commerce.Subcommittee on Health and the Environment.
Washington, DC : U.S. G.P.O. : for sale by the Superintendent of Documents, Congressional Sales Office, U.S. Govt. Print. Off.,
1987.
Cover title.
"March 31, and April 7, 1987."
National Center for Health Services Research
National Center for Health Statistics