4BENNINGER M S. Microdissection or microspo': CO2 laser for limited vocal fold benign lesions., a prospective randomized trial[J]. Laryngoscope, 2000,110 : 1 - 17.
5Benninger M S.Microdissection or microspot CO2 laserfor limited vocal fold benign lesions:a prospective ran-domized trial[J].Laryngoscope,2000,110(1):1-17.