Frictional force of different ligations with NiTi archwires of different sizes
Ma Xiao-zhou, Li Hong-fa, Zhao Yan-hong, Wu Jie, Zhang Ming-can, Zhao Wei
Chinese Journal of Tissue Engineering Research . 2018, (22): 3491 -3497 .  DOI: 10.3969/j.issn.2095-4344.0916