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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Koch, Robert, - Gaffky, Georg Theodor August, - Pfuhl, E. - Schwalbe, Julius. - London School of Hygiene and Tropical Medicine.
    Publication info: Leipzig, Verlag von Georg Thieme, 1912
    Holding Institution: London School of Hygiene & Tropical Medicine Library & Archives Service