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Credit
Syphilis of the nervous system : a clinical study chiefly in regard to diagnosis and treatment : founded on the cases of Prof. Wm. H. Van Buren, M.D., and those of the author / by E.L. Keyes. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.