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JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. (3) Dauer, C. C.: Studies on the epidemiology of poliomyelitis. (Also subsequent reports on the prevalence or incidence of poliomyelitis in the United States for each year from 1938 through 1948.) Pub. Health Rep.

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