Psychotropic substances act--1978 : hearing before the Subcommittee on Health and the Environment of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-fifth Congress, second session, on H.R. 9796, a bill to amend the comprehensive drug abuse prevention and control act of 1970 and other laws to meet obligations under the convention on psychotropic substances relating to regulatory controls on the manufacture, distribution, importation, and exportation of psychotropic substances, and for other purposes, February 17, 1978.