Arthritis prevention, treatment, and rehabilitation : hearing before the Subcommittee on Public Health and Environment of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-third Congress, second session on H.R. 12150, H.R. 14181, and S. 2854 (and all identical bills), bills to amend the Public Health Service Act so as to expand the authority of the National Institute of Arthritis, Metabolism, and Digestive Diseases in order to advance a national attack on arthritis, and for other purposes, November 25, 1974.