. . . . . . . . . "Organ transplant and bone marrow donor reauthorization : hearings before the Subcommittee on Health and the Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred Third Congress, first session, April 22 and May 19, 1993"@en . . . . . "Organ transplant and bone marrow donor reauthorization hearings before the Subcommittee on Health and the Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred Third Congress, first session, April 22 and May 19, 1993"@en . .