Application of keystone flap in the reconstruction of maxillofacial soft tissue defect:report of 8 consecutive cases
WANG Yi, CHEN Chuan-jun, XIANG Xian-wang
China Journal of Oral and Maxillofacial Surgery . 2021, (5): 460 -463 .  DOI: 10.19438/j.cjoms.2021.05.014