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  • Title: Speech and voice analysis after near-total laryngectomy and tracheoesophageal puncture with implantation of Provox 2 prosthesis.
    Author: Globlek D, Simunjak B, Ivkic M, Hedjever M.
    Journal: Logoped Phoniatr Vocol; 2004; 29(2):84-6. PubMed ID: 15260184.
    Abstract:
    Vocal characteristics were compared in two groups of patients who were operated on due to laryngeal cancer. One group was composed of patients after near-total laryngectomy and the other after total laryngectomy followed by tracheoesophageal puncture with implantation of Provox 2 prosthesis. Acoustic analysis was carried out using the EZ Voice Plus program and included the following parameters: fundamental frequency, jitter, shimmer, harmonic to noise ratio, range of fundamental frequency, maximal phonation time and intensity.
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