4Barzilai G, Oreenberg E, Uri N. Indications for the Caldwell-Luc approach in the endoscopic era[J]. Otolaryngol Head Neck Surg, 2005, 132(2): 219-220.
5Chrismas 1)A. Mirame JP, Yanagisawa E. Powered endoscopic removal of a maxillary sinus cyst[J].Ear Nose Throat J, 2003,82(11): 830.