Extract from Edward Jenner An inquiry in
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Article
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1996
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Elsevier Science
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English
⚖ 181 KB
An Inquiry into the Causes and E@cts of the Variolae Vaccinae, Known by the Name of Cow-pox (I 189) The more accurately to observe the progress of the infection I selected a healthy boy, about eight years old, for the purpose of inoculating for the cow-pox. The matter was taken from a sore on the ha