Title
Epidemiologic studies of acute anterior poliomyelitis. I. Poliomyelitis in Iowa, 1910, II. Poliomyelitis in Cincinnati, Ohio, 1911, III. Poliomyelitis in Buffalo and Batavia, N.Y., 1912, by Wade H. Frost. [U.S. Hygienic Laboratory Bulletin No. 90. October 1913.]. [electronic resource]