Medical devices : hearings before the Subcommittee on Public Health and Environment of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-third Congress, first session on H.R. 6073 and H.R. 9984, bills to protect the public health by amending the Federal Food, Drug, and Cosmetic Act to assure the safety and effectiveness of medical devices : H.R. 539, a bill to create a national commission to study quality controls and manufacturing procedures of medical devices, surgical instruments, artificial organs and limbs, therapeutic instruments and devices, and other medical and hospital equipment, and for other purposes : H.R. 10061, a bill to regulate defective, ineffective, and unreliable medical devices, October 23 and 24, 1973.