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Credit
Reflections on the cow-pox : illustrated by cases to prove it an absolute security against the small pox; addressed to the public in a letter to Dr. Jenner. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.