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Ex vivo study on root canal instrumentation of two rotary nickel–titanium systems in comparison to stainless steel hand instruments - Vaudt - 2009 - International Endodontic Journal - Wiley Online Library
STOPPUHR - Definition and synonyms of Stoppuhr in the German dictionary
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Ex vivo study on root canal instrumentation of two rotary nickel–titanium systems in comparison to stainless steel hand instruments - Vaudt - 2009 - International Endodontic Journal - Wiley Online Library