3Ezra E,Restori M,Mannor G E,et al.Ultrasonic assessment of rhinostomy size following external dcryocystorhinostromy[J].Br J Ophthalmol,1998,82(7) :786 - 789.
4Liao S L,Kao S C,Tseng H S,et al.Results of intraoperative mitomycin C application in dacryocystorhinostomy [J].Br J Ophthalmol,2000,84 ( 8 ):903- 905.
6Stammberger H.Endoscopic endonasal surgery-concepts in treatment of recurring rhinosinuitis.Part 1.anatomic and pathophysiology considerations [J].Otolaryngol Head Neck Surg,1968,94(2):143 - 147.
7Delaney YM,Khooshabeh R.External dacryocystorhinostomy for the treatment of acquired partial nasolacrimal obstruction in adults[J].Br J Ophthalmology,2002,86(5) :533 - 565.
