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Investigations on the control of hookworm disease X Experiments on the length of life of infective hookworm larvae in soils
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Investigations on the control of Hookworm disease XIX Observations on the completion of the second ecdysis of necator americanus
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Investigations on the control of hookworm disease XVI Variation in length of life of hookworm larvae from the stools of different individuals
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Investigations on the control of hook-worm disease VI A study of the effect of hookworm control measures on soil pollution and infestation in a sugar estate
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Investigations on the control of hookworm disease VII An epidemiologic study of hookworm disease in a cacao estate
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