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Charles A. Hufnagel
Charles A. Hufnagel, M.D. (August 15, 1916 – May 31, 1989) was an American surgeon who invented the first artificial heart valve in the early 1950s. Hufnagel...
5 KB (622 words) - 15:06, 18 June 2023
Charles A. Hufnagel, M.D. (August 15, 1916 – May 31, 1989) was an American surgeon who invented the first artificial heart valve in the early 1950s. Hufnagel...5 KB (622 words) - 15:06, 18 June 2023
