Dermatology: thick skin on the sole of a foot. Photograph by S. H. Cannon, ca. 1920 (?).

    Date:
    1920
    Reference:
    571884i

    Licence: In copyright

    Credit: Dermatology: thick skin on the sole of a foot. Photograph by S. H. Cannon, ca. 1920 (?). Wellcome Collection. Source: Wellcome Collection.

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