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  1. The internal parasites of the horse (entozoa)
    By: Duncan, J. T.
    Publication info: Toronto :Presbyterian News Co.,1891.
    Holding Institution: Canadiana.org (archive.org)
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  2. The internal parasites of the horse (Entozoa) /
    By: Duncan, J. T.
    Publication info: Toronto :Presbyterian News Co.,1891.
    Holding Institution: University of Pennsylvania Libraries (archive.org)
    View Book