Two hands held on either side of a dark mark on a forearm, to demonstrate the manual treatment of ulcers. Photograph.

    • Gray, William E.
    Reference:
    36057i

    Licence: Public Domain Mark

    Credit: Two hands held on either side of a dark mark on a forearm, to demonstrate the manual treatment of ulcers. Photograph. Wellcome Collection. Source: Wellcome Collection.

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