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I. R. Jankelson, M.D.
JAMA. 1931;97(3):177. doi:10.1001/jama.1931.27310030004010d.
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This case is reported (1) to emphasize the possibility of transmitting malaria by a blood transfusion; (2) to show that a man may be a carrier of the plasmodium for almost forty years; (3) to show that a routine history may not disclose a previous malarial infection and that every donor of blood should be questioned about it; (4) to emphasize that whenever a suspicion of malaria is raised an examination of the blood for plasmodia should be made.

REPORT OF CASE  J. R., a man, aged 42, Italian, a machinist, was seen first at this clinic. Jan. 11, 1929, for a question of peptic ulcer. For nine or ten years he had intermittent epigastric pain, coming two hours after meals. This pain was relieved by sodium bicarbonate. There were long periods of remission when the patient was entirely free from pain. He had some belching and rarely heartburn. For


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