SMS dit: OSHA oversight--video display terminals in the workplace : hearings before the Subcommittee on Health and Safety of the Committee on Education and Labor, House of Representatives, Ninety-eighth Congress, second session, hearings held in Washington, D.C., on February 28 ; March 13 ; April 3 ; May 1, 8, 15 ; June 5 and 12, 1984.