A physician examining a urine sample in a flask, cane pressed against his chin. Wood engraving after A.A. Oberländer.

    • Oberländer, Adolf, 1845-1923.
    Reference:
    21869i

    Licence: Public Domain Mark

    Credit: A physician examining a urine sample in a flask, cane pressed against his chin. Wood engraving after A.A. Oberländer. Wellcome Collection. Source: Wellcome Collection.

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