The conference of State and provincial health authorities of North America is an organization of the executive officers of the various States and provinces of Canada, the United States, and Mexico. Then annuallv there is a conference of the State health...
Public Health Service: Hearings, Seventieth Congress, First Session on H.R ... - Page 20
by United States. Congress. House. Committee on Interstate and Foreign Commerce - 1928 - 42 pages
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