Painless and perfect dentistry : Messrs. Mallan, the old-established surgeon dentists, and pioneers of the modern system of painless dentistry, advise the perusal of these pages / [V.C. Mallan].

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Painless and perfect dentistry : Messrs. Mallan, the old-established surgeon dentists, and pioneers of the modern system of painless dentistry, advise the perusal of these pages / [V.C. Mallan]. Public Domain Mark. Source: Wellcome Collection.