Wilhelm Christian Erpenbeck - Steinfurt aktuell, heute und damals - www.stenvorde.de

https://web.archive.org/web/20071009074822/http://www.stenvorde.de/professoren/wilhelm_christian_erpenbeck.html

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EMERGENCY - YouTube

https://www.youtube.com/user/EmergencyOnlus

Nei conflitti contemporanei il 90% delle vittime sono civili. Ogni anno la guerra distrugge la vita di milioni di persone nel mondo. EMERGENCY è un'associazi...

Category:Surgery – Wikimedia Commons

https://commons.wikimedia.org/wiki/Category:Surgery?uselang=de

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https://archive.today/20140714131101/https://web.archive.org/web/20070927224434/http://www.charite.de/ch/presse/chronik/chronik1.html

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