Hearings Before the Subcommittee on Health and the Environment of the Committee on Energy and Commerce, House of Representatives, Ninety-ninth Congress, First Session, on Comprehensive Smoking Education Act--H.R. 2835, June 24, 1985 ; Health Effects of Smokeless Tobacco-- H.R. 760, H.R. 2950, and H.R. 3078, July 26, 1985