ISSN: 0147-3956
Idioma: Inglés,
Publicado: Rockville, Md., U. S. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration.
Rockville, Md. : U.S. National Center for Health Statistics
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ISSN: 0033-3549 (Print) 1468-2877 (Electronic)
Idioma: Inglés,
Publicado: Hyattsville, Md. : Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration ; Supt. of Docs., U.S. G.P.O., distributor,
Washington, DC : Association of Schools of Public Health
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