3Stem Y, Aronson M, Shpitzer T, et al. Significance of DNA ploidy in the treatment of T1 glottic carcinoma. Arch Otolaryngol Head and Neck, 1995,121 : 1003-1005.
4Muscateuo L, Laccourrye O, Biacabe B, et al. Laryngofissure and cordectomy for glottic carcinoma limitted to the mid third of the mobile true vocal cord.Laryngoscopy, 1997,107,1507-1509.
6Dhooge IJ , De Vos M , Vml Cauwenberge PB . Multiple primary malignant tumors in patients with head and neck cancer: result of a prospectice study and funture Perspecives.Laryngoscope, 1998,108,250-256.