Clinical comparative study of modified nasal endoscopic dacryocystorhinostomy and modified external nasal approach dacryocystorhinostomy
Zhang Min , Song Daoliang , Han Xuefeng , Wang Shaopeng , Liu Yongliang
Chinese Journal of Clinical Anatomy . 2021, (2): 220 -223 .  DOI: 10.13418/j.issn.1001-165x.2021.02.020