Ghoddusi, J., Moradi, S., Zebarjad, S., & JallilzadehTehrani, H. "Comparing the Dental Root Biomechanical Properties Following Two Different Methods of Instrumentation and Obturation", Journal of Mashhad Dental School, 31, 4, 2007, 299–306. doi: 10.22038/jmds.2007.1376