Kamp, V.A.H. van de

voice patient laser surgery group radiotherapy laser surgery laser surgery group radiotherapy group glottic voice quality carcinoma study quality analysis treatment score voice handicap index grade table handicap breathines result protocol lesion midcord roughness difference perception control outcome resection parameter correlation european laryngological society type i cancer measure mucosal wave voice handicap index otolaryngol stroboscopic erasmus mc voice impairment endoscopic variable speech www.archoto.com 2 treatment modalities evaluation eur arch otorhinolaryngol dysphonia glottic carcinoma value assessment jitter oncol closure laser chordectomy head glottic cancer t 1a lesions voice dysfunction 1 patient auditory perception t 1a carcinoma radiat verdonck-de leeuw im modalitie videostroboscopy ögren profile chordectomy voice pathology reference values vhi score impairment therapy 10.1002/ rotterdam