Psychogenic voice disorders / Grace W. Johnson [and others] -- Effects of vocal training on quantitative voice parameters in healthy voice adults and children / Nora Siupsinskiene -- Laryngeal squamous cell carcinoma : treatment options and outcomes / William M. Mendenhall [and others] -- Endoscopic laser microsurgery of malignant tumors of the larynx : perioperative and postoperative complications / Maik Ellies -- Role of non-acidic reflux in laryngeal injury and disease / Nikki Johnston -- Age as a factor in responses to botulinum toxin injection in adductor spasmodic dysphonia patients / Christopher Y. Chang [and others] -- The importance of the autofluorescence and contact endoscopy in the diagnosis of laryngeal lesions / Marcin Fraczek, Maciej Zatonski, Tomasz Krecicki -- Electroglottography in follow-up of patients with vocal fold palsy / Olaf Zagólski -- Laryngeal problems in patients suffering from rheumatoid arthritis / Katarzyna Amernik [and others] -- Alcohol-related comorbidity measurement in patients with laryngeal squamous cell carcinoma / Mario A.F. Castro [and others]