Clinical study of oral squamous cell carcinoma with clinically negative cervical lymph node in 111 consecutive case
HAN Shang-zhi, LV Xin, CHEN Xi-bo, LI Le, HAO Li-li, ZHANG Xing-le
China Journal of Oral and Maxillofacial Surgery . 2019, (4): 356 -358 .  DOI: 10.19438/j.cjoms.2019.04.016