Lectures on aural catarrh, or, The commonest forms of deafness and their cure (mostly delivered at St. Mary's Hospital) / by Peter Allen.

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Lectures on aural catarrh, or, The commonest forms of deafness and their cure (mostly delivered at St. Mary's Hospital) / by Peter Allen. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.