Emergency Health Personnel Act Amendments of 1972 : hearing before the Subcommittee on Public Health and Environment of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-second Congress, second session on H.R. 16755, H.R. 16545, H.R. 16869, and S. 3858, bills to amend the Public Health Service Act to improve the program of medical assistance to areas with health manpower shortages, and for other purposes. September 28, 1972