Khadivi Nia Javan, N., L. Mohajeri Baradaran, and S. Azimi. “SEM Study of Root Canal Walls Cleanliness After Ni-Ti Rotary and Hand Instrumentation”. Iranian Endodontic Journal, vol. 2, no. 1, Oct. 2008, pp. 5-10, doi:10.22037/iej.v2i1.347.