Waste and abuse in Medicare payments for medical equipment and supplies : hearings before the Committee on the Budget, United States Senate, One Hundred Second Congress, first session, Washington, DC, May 13, 1991; Nashville, TN, June 17, 1991; Washington, DC, July 25, 1991; Bismarck, ND, September 23, 1991; Washington, DC, November 21, 1991 K Law
