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. 1912 Feb 15;66(2):59–68.

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The Necessity for Higher Efficiency in Teaching and Practicing Dentistry

C N Johnson, M.A., L.D.S., D.D.S.

¹Chicago

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¹

¹Chicago

This work is free of known copyright restrictions. For more information, please see PMC Back Issue Digitization.

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PMCID: PMC6992129 PMID: 33702723

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