Clinical application of cone beam computed tomography combined with micro-ultrasound technique in treating three mesial canals in mandibular first molars
Lili Yang, Yan Zhang, Shijun Zhao, Shuai Zhang, Na Wang, Jie Xu, Shue Hu, Zhiyuan Xu
West China Journal of Stomatology . 2017, (4): 384 -388 .  DOI: 10.7518/hxkq.2017.04.008