7DALY K A, HUNTER L L, LINDGREN B R,et al. Chronic otitis median with effusion sequelae in children treated with tubes[ J]. Arch Otolalyngol Head Neck Surg, 2003,129 ( 5 ) : 517-522.
8strong MS,Jako GJ.Laser Surgery in the larynx early clinical experience with continuous CO2 laser[J].Ann oto,1972,81(6):791-798.
9Parsons DS,Bothwell MR.Powerred instrument papilloma excision:an alternative to laser therapy for recurrent respiratory papilloma[J].Laryngoscope,2001,111(8):1494-1496.
10Wolfensherger M,Dort JC.Endoscopic lasser surgery for early glottic carcinoma:a clinical and experimental study[J].Laryngoscope,1990,100(10):1100-1105.