. . . . . "Regulation of dietary supplements hearing before the Subcommittee on Health and the Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred Third Congress, first session, on H.R. 509, H.R. 1709, and S. 784, bills to amend the Federal Food, Drug, and Cosmetic Act to establish provisions and standards regarding the composition and labeling of dietary supplements, July 29, 1993"@en . . . . "Regulation of dietary supplements : hearing before the Subcommittee on Health and the Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred Third Congress, first session, on H.R. 509, H.R. 1709, and S. 784, bills to amend the Federal Food, Drug, and Cosmetic Act to establish provisions and standards regarding the composition and labeling of dietary supplements, July 29, 1993"@en . . . . . .