Transactions of a Special Conference of State and Territorial Health Officers with the United States Public Health Service, for the Consideration of the Prevention of the Spread of Poliomyelitis: Held at Washington, D. C., August 17 and 18, 1916
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Transactions of a Special Conference of State and Territorial Health Officers with the United States Public Health Service, for the Consideration of the Prevention of the Spread of Poliomyelitis: Held at Washington, D. C., August 17 and 18, 1916
