Jean-Baptiste Denys (c. 1635 – 3 October 1704) was a French physician notable for having performed the first fully documented human blood transfusion, a xenotransfusion. He studied in Montpellier and was the personal physician to King Louis XIV. == Early life == Jean-Baptiste Denys was born in the 1630s, although his birth went unnoticed and undocumented.
Jean-Baptiste Denys (c. 1635 – 3 October 1704) was a French physician notable for having performed the first fully documented human blood transfusion, a xenotransfusion. He studied in Montpellier and was the personal physician to King Louis XIV. == Early life == Jean-Baptiste Denys was born in the 1630s, although his birth went unnoticed and undocumented.
Source: Wikipedia "Jean-Baptiste Denys" · CC BY-SA 4.0
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