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  1. Pathogenic micro-organisms. A text-book of microbiology for physicians and students of medicine. (Based upon Williams' Bacteriology)
    By: MacNeal, Ward J., - Williams, Herbert Upham,
    Edition: 2d ed., rev. & enl.
    Publication info: Philadelphia,P. Blakiston's Son & Co.,[1920]
    Contributed by: Cornell University Library
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  2. Pathogenic micro-organisms; a text-book of microbiology for physicians and students of medicine,
    By: MacNeal, Ward J., - Williams, Herbert Upham,
    Publication info: Philadelphia,P. Blakiston's son & co.,1914
    Contributed by: University of California Libraries (archive.org)
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