Journal of Oral Science Research
Primary Vertical Root Fracture: 5 Cases Report and Review of Literature
LI Hui-xu, LIU Gui-rong, ZHANG Yan, CHEN Yan-qing, XU Hai-ping, PAN Ke-qing
Journal of Oral Science Research . 2018, (11): 1186 -1191 .  DOI: 10.13701/j.cnki.kqyxyj.2018.11.010