ISSN: 0083-1972 (Print) 2332-8428 (Electronic)
Idioma: Inglés,
Publicado: Rockville, Md., U. S. Dept. of Health, Education and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics; Washington, for sale by the Supt. of Docs., U. S. Govt. Print. Off.
Enlace del recurso

ISSN: 0083-1972
Idioma: Inglés,
Publicado: Rockville, Md., U. S. Dept. of Health, Education and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics; Washington, for sale by the Supt. of Docs., U. S. Govt. Print. Off.
Enlace del recurso