A treatise on the cow-pox; containing the history of vaccine inoculation, and an account of the various publications which have appeared on that subject. In Great Britain, and other parts of the world / by John Ring.

Licence: Public Domain Mark

Credit: A treatise on the cow-pox; containing the history of vaccine inoculation, and an account of the various publications which have appeared on that subject. In Great Britain, and other parts of the world / by John Ring. Source: Wellcome Collection.