Purpose: The Vocal Tract Discomfort Scale (VTD Scale) is a self-rating questionnaire investigating physical symptoms in the larynx associated with vocal pathology. The aim of this work was to investigate the reliability, validity, sensitivity, and specificity of the first German version and to provide normative data with thresholds for pathology…

The statistical information that estimates the magnitude of communication disorders among Egyptian children is scarce. At Mansoura University, a prospective study was performed to identify communication disorders among nursery school children in Dakahlia governorate, Egypt to estimate the problem's size among Arabic-speaking Egyptian children…