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The Sambon theory of the transmission of pellagra has aroused a considerable interest in entomologic conditions in the localities where the disease is prevalent. While the Simulium eptans, the species of sand-fly incriminated by Sambon, has not been found in this country except in Greenland, it has been thought possible that related species may be the conveyors of the disease in this country. As a contribution to our knowledge of these insects, Bulletin No. 159 is written giving the results of the author's individual researches. No attempt is made to draw final conclusions. Indeed, the absence of any knowledge of a microbic or protozoic cause of the disease permits us at present only to surmise that a siniiilium may be the conveyor of the unknown germ. The work of Dr. Garman, while so technical as to be of little immediate practical value to medical men, must be hailed as an
A Preliminary Study OF Kentucky Localities IN Which Pellagra is Prevalent. JAMA. 1912;LIX(5):390. doi:10.1001/jama.1912.04270080072037
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