Field training of public health workers, 1946-49 introduction and summary of accomplishments.

Field training of public health workers, 1946-49 introduction and summary of accomplishments.

Dades bibliogràfiques
Autor principal: U.S. Communicable Disease Center, Atlanta
Format: Llibre
Idioma:English
Publicat: n. p. s. l.. 19-
Matèries:
Hygiene, Public > Study and teaching.