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To characterize the perceptual assessment of vocal quality in subglottic stenosis (SGS) patients and to identify risk factors for dysphonia.Retrospective review, academic center.Perceptual voice assessment using GRBAS scale (Grade, Roughness, Breathiness, Asthenia, Strain); patient characteristics determined for 31 SGS cases.The mean GRBAS (0 to 3 scale, 0 = normal quality) for SGS patients at their...