Aperçu gratuit du livre An Inquiry into the Causes and Effects of the Variolae Vaccinae; A Disease Discovered in Some of the Western Counties of England, Particularly Gloucestershire, and Known by the Name of the Cow Pox
An Inquiry into the Causes and Effects of the Variolae Vaccinae; A Disease Discovered in Some of the Western Counties of England, Particularly Gloucestershire, and Known by the Name of the Cow Pox