Comparison of the forming ability of three kinds of nickeltitanium root canal preparation system#br#
LI Zhan-jie1, YIN Pu-guang2, GAO Ming-ying2, WANG Yu-wei2
Journal of Hebei Medical University . 2016, (6): 680 -683 .  DOI: 10.3969/j.issn.1007-3205.2016.06.016