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P. A. Maplestone, D.S.O., School of Tropical Medicine, Calcutta
J. S. Riddle, Major, I.M.S. (District Laboratory, Lucknow)
P. A. Maplestone, D.S.O., School of Tropical Medicine, Calcutta
J. S. Riddle, Major, I.M.S. (District Laboratory, Lucknow)