Research facilities, mental health staffing, continuation of health programs, and group practice : hearings before the Committee on Interstate and Foreign Commerce, House of Representatives, Eighty-ninth Congress, first session on H.R. 2984, a bill to amend the Public Health Service Act provisions for construction of health research facilities by extending the expiration date thereof and providing increased support for the program, to authorize additional assistant secretaries in the Department of Health, Education, and Welfare, and for other purposes : H.R. 2985, a bill to authorize assistance in meeting the initial cost of professional and technical personnel for comprehensive community mental health centers : H.R. 2986, a bill.-to extend and otherwise amend certain expiring provisions of the Public Health Service Act relating to community health services, and for other purposes : H.R. 2987, a bill to authorize mortgage insurance and loans to help finance the cost of constructing and equipping facilities for the group practice of medicine or dentistry, March 2, 3, 4, and 5, 1965