2XU G,The re-recognition of some concepts in endonasal endoscopic surgery.Chinese J Otorhinolaryngol, 1998, 33:76-78.
3May M,Levine H L, Mester S J, et al. Complications of endoscopic sinus surgery analysis of 2 108 patients :Incidence and prevention.Laryngoscope,1994,104:1080-1083.
4Davis W E, Templer J W, Lamear W R, et al. Middle meatus antrostomy:Patency rates and risk factors. Otolaryngol Head Neck Surg,1991,104:467-472.