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Credit
A practical essay on cancer : being the substance of observations to which the annual prize for 1808 was adjudged by the Royal College of Surgeons of London / By Christopher Turner Johnson, surgeon, Exeter : member of the Royal College of Surgeons of London, and of the Royal Medical Society of Edinburgh. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)