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A COMPARISON OF CERTAIN METHODS OF TREATMENT AND DIAGNOSIS OF HOOKWORM INFECTION

W. A. SAWYER, M.D.; W. C. SWEET, M.D.
Arch Intern Med (Chic). 1924;33(1):35-46. doi:10.1001/archinte.1924.00110250038003.
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The observations presented in this paper were made from Aug. 16 to Dec. 31, 1922, at the State Hospital for the Insane at Sandy Gallop, Queensland. They are supplementary to the results of an investigation carried out from May 15 to Oct. 31, 1922, at the Hospital for the Insane at Goodna, Queensland.1 In the investigation at Goodna it had been found that patients were being infected with hookworms of the species Ancylostoma duodenale and that the infection rates were highest in the wards containing the less teachable insane. The institution was shown to be outside the belt in which there was sufficient rainfall to permit indigenous hookworm infection of the white population not in institutions or mines, but experiments demonstrated that hookworm larvae could develop in the soil in much diminished numbers even under the local winter conditions of moderate rainfall and cool weather. The investigation showed also that

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