Narrative of Mr. John Badcock's original experiments illustrative of the relations of small-pox, cow-pox and vaccination, carried-on during twenty years (1840-1860) on 200 cows and large numbers of human beings, whereby many renewed supplies of vaccine lymph were obtained and propagated extensively in the world
- Story by
- Badcock, John, 1807-1890, Hodgson, G.F
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