. . . . "New models for delivering and paying for Medicare services : hearing before the Subcommittee on Health of the Committee on Ways and Means, U.S. House of Representatives, One Hundred Twelfth Congress, first session, May 12, 2011"@en . . . . . "New models for delivering and paying for Medicare services hearing before the Subcommittee on Health of the Committee on Ways and Means, U.S. House of Representatives, One Hundred Twelfth Congress, first session, May 12, 2011"@en . . . . . . . . . . .