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January 7, 1893


JAMA. 1893;XX(1):23-24. doi:10.1001/jama.1893.02420280031002

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Laveran's discovery in 1880 of organisms in the blood of malarial patients has been verified and elaborated by pathologists and clinicians the world over. In Italy the study of Laveran's organisms has been pursued with great enthusiasm and persistence, and we owe much of our knowledge of their nature, and of their relation to the various forms of malaria, to the labors of such men as Golgi, Marchiafava, Celli, Filetti and Grassi. The researches of the last two upon the structure of the organisms leave no doubt as to their animal nature, demonstrating conclusively the presence of vesicular nuclei, and it is now universally accepted that they belong to the protozoa, and their faculty of amœboid movement brings them under the rhizopoda. In the United States Councilman in Baltimore, Osler in Philadelphia and in Baltimore, Walter James in New York, Dock in Galveston and Ann Abor, as well

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