Small business problems in the drug industry. Volume 1, Washington, D.C., April 3, 4, 5, 10, and 12, 1967 : hearings before the Subcommittee on Activities of Regulatory Agencies of the Select Committee on Small Business, House of Representatives, Ninetieth Congress, first session pursuant to H. Res. 53, a resolution creating a select committee to conduct studies and investigations of the problems of small business