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An Inquiry Into the Causes and Effects of the Variolæ Vaccinæ, a Disease Discovered in Some of the Western Counties of England ... Known by the Name of the Cow Pox. With Plates
Edward Jenner
出版1801
URLhttp://books.google.com.hk/books?id=9dsBgk8EN58C&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN