mblakehoops5205 mblakehoops5205
  • 12-09-2017
  • Health
contestada

Where was heart valve replacement surgery researched and originated?

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allissag63
allissag63 allissag63
  • 22-09-2017

Charles A. Hufnagel, M.D. (August 15, 1916 – May 31, 1989) was an American surgeon who in the early 1950s invented the first artificial heart valve.


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