Absolute ethanol embolization of pharyngolaryngeal venous malformation after tracheotomy under general anesthesia: a report of 20 cases
LEI Shu-zan, WANG Jie -bing, ZHANG Yin-xi
China Journal of Oral and Maxillofacial Surgery . 2019, (1): 74 -76 .  DOI: 10.19438/j.cjoms.2019.01.015