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.

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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. Public Domain Mark. Source: Wellcome Collection.