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Credit
Principles of dental surgery : exhibiting a new method of treating the diseases of the teeth and gums, especially calculated to promote their health and beauty : accompanied by a general view of the present state of dental surgery, with occasional references to the more prevalent abuses of the art : in two parts / by Leonard Koeckel. Public Domain Mark. Source: Wellcome Collection.
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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.)