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1 Change of working length in curved canals by various instrumentation techniques
Jeong-Im Jo, Myoung-Uk Jin, Young Kyung Kim, Sung Kyo Kim
J Korean Acad Conserv Dent.2006;31(1):30-35.   Published online 2006 January 31     DOI: http://dx.doi.org/10.5395/JKACD.2006.31.1.030
      

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