Child welfare and the teachings of certain dentists, school medical officers, medical officers of health and other medical men / by J. Sim Wallace.

  • Wallace, J. Sim (James Sim), 1869-1951.
Date:
1919

Licence: Public Domain Mark

Credit: Child welfare and the teachings of certain dentists, school medical officers, medical officers of health and other medical men / by J. Sim Wallace. Source: Wellcome Collection.

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