The National Hospital for Diseases of the Heart, London: a doctor and nurse use an electro-cardiograph to give a patient a heart test. Photograph, ca. 1922.

    Date:
    1922
    Reference:
    565751i

    Licence: In copyright

    Credit: The National Hospital for Diseases of the Heart, London: a doctor and nurse use an electro-cardiograph to give a patient a heart test. Photograph, ca. 1922. Wellcome Collection. Source: Wellcome Collection.

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