Health systems.
Subtitle: [Pref. by Abraham Horwitz]
Contributors: Horwitz, Abraham; Pan American Sanitary Bureau
Series: Scientific publications -- no. 234; Publicaciones científicas (Washington, D.C.) -- no. 234
Publisher: Pan American Sanitary Bureau, Regional Office of the World Health Organization
Published: 1972
Place of publication: Washington
Language: eng
Number of pages: 42
Subjects: Hygiene, Public