Journal of the British Dental Association.
Licence: Public Domain Mark
Credit: Journal of the British Dental Association. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0012392/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Journal of the British Dental Association. Wellcome Collection. Source: Wellcome Collection.