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The Relation of the Decline in the Number of Horse-drawn Vehicles, and consequently of the Urban Breeding Grounds of Flies, to the Fall in the Summer Diarrhoea Death rate
Published online by Cambridge University Press: 15 May 2009
Extract
Charts, illustrating observations over several years, have been published by Hamer (1908–10) for London, by Niven (1910) for Birmingham and by Hope (1920–21) for Liverpool, which show that in the third quarter of the year the summer diarrhoea death curve usually reaches its maximum about a fortnight after the curve representing the numbers of flies caught in traps has reached its highest point.
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- Copyright © Cambridge University Press 1929
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