Detection and Negotiation the Middle Mesial Canals in Mandibular Molars by Microscope
YANG Li-li, ZHANG Yan, ZHAO Shi-jun, HU Shu-e, XU Jie, Xu Zhi-yuan
Journal of Oral Science Research . 2016, (11): 1200 -1203 .  DOI: 10.13701/j.cnki.kqyxyj.2016.11.022