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What is malaria? and why is it most intense in hot climates? : an enquiry into the nature and cause of the so-called marsh poison with remarks on the principles to be observed for the preservation of health in tropical climates and malarious districts / by C. F. Oldham. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.