7[4]Powell NB, Riley RW,Troell RJ, et al. Radiofrequency volumetric tissue reduction of the palate in subjects with sleep-disordered breathein. Chest, 1998,133:1163
8[5]Powell NB, Riley RW,Guilleminault C. Radiofrequency tongue base reduction in sleep-disordered breathing : a pilot study. Otolaryngo Head Neck Surg,1999,120:656
9[6]Li KK, Powell NB, Riley RW, et al. Radiofrequency volumetric tissue reduction for treatment of turbinate hypertrophy : a pilot study. Otolaryngo Head Neck Surg,1998,119 :569
10CARNEY AS,EVANS AS,MIRZA S,et al.Radiofre-quency coblation for treatment of advanced laryngotra-cheal recurrent respiratory papillomatosis[J] .J LaryngolOtol,2010,124:510-514.