"Alzheimer's, the unmet challenge for research and care : joint hearing before the Select Committee on Aging, House of Representatives, and the Subcommittee on Aging of the Committee on Labor and Human Resources, U.S. Senate, One Hundred First Congress, second session, April 3, 1990" . . . "Alzheimer's--the unmet challenge for research and care joint hearing before the Select Committee on Aging, House of Representatives and the Subcommittee on Aging of the Committee on Labor and Human Resources, U.S. Senate, One Hundred First Congress, second session, April 3, 1990"@en . . . . . . . . . . . . "Alzheimer's, the unmet challenge for research and care joint hearing before the Select Committee on Aging, House of Representatives, and the Subcommittee on Aging of the Committee on Labor and Human Resources, U.S. Senate, One Hundred First Congress, second session, April 3, 1990"@en . . . . . . . . . . . .