Ludwig Rehn und Frankfurt Person-Info 

( Ich bin Ludwig Rehn)
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Healing High-Stakes Heart Problems | Health | US News

health.usnews.com
The art of repairing injured hearts has come a very long way since the first successful cardiac operation took place in 1896, in Frankfurt, Germany. A 22-year-old man, stabbed in the chest, had suffered a wound in the lower heart chamber that pushes blood to the lungs. Surgeon Ludwig Rehn sliced through ...
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