National Library of Medicine (U.S.), National Library of Medicine (U.S.), & National Library of Medicine (U.S.). (1978). National Library of Medicine audiovisuals catalog. U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Library of Medicine ; For sale by the Supt. of Docs., U.S. G.P.O..

National Library of Medicine (U.S.), National Library of Medicine (U.S.), and National Library of Medicine (U.S.). National Library of Medicine Audiovisuals Catalog. Bethesda, Md. : Washington, D.C.: U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Library of Medicine ; For sale by the Supt. of Docs., U.S. G.P.O., 1978.

National Library of Medicine (U.S.), et al. National Library of Medicine Audiovisuals Catalog. U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Library of Medicine ; For sale by the Supt. of Docs., U.S. G.P.O., 1978.