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R. H. KNOWLTON, M.D. (St. Petersburg, Fla.)
JAMA. 1919;72(10):701-703. doi:10.1001/jama.1919.02610100009003.
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Darling, Barber and Hacker1 recently gave the results of their extensive study of the treatment of hookworm infection carried on in the Far East. The present investigation was largely patterned after their methods, but with two main objects in view: first, to get some idea of the severity of hookworm infection among Southern troops, and second, to check up the efficiency of the treatment used in this hospital. With the exception of thirteen negroes in Table 1, who came from their organizations, all the subjects used were chosen at random from the convalescents in the wards without reference to the degree of infection, although all were known to have positive stools. They were practically all from the Carolinas and Florida. A few had received treatment at their homes, but it does not seem to have been very effective, as one patient with 1,263 worms had received one treatment two


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