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History of the Peruvian syrup : with letters from the minister plenipotentiary from Peru to the U. States, and other distinguished gentlemen of this and foreign countries, in proof of its value. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)