The hygiene of the mouth : a guide to the prevention and control of dental diseases.

Licence: Public Domain Mark

Credit: The hygiene of the mouth : a guide to the prevention and control of dental diseases. Source: Wellcome Collection.

Provider: This material has been provided by the University of Toronto, Harry A Abbott Dentistry Library, through the Medical Heritage Library. The original may be consulted at the Harry A Abbott Dentistry Library, University of Toronto.