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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