Cricopharyngeal myotomy, Laryngeal botulinum injections, Laryngeal reinnervation surgery, Laryngotracheal reconstructio...n, Laser surgery, Laser vocal cord surgery, Phonosurgery, Thyroplasty, Tracheostomy, Zenker's diverticulotomy, Spasmodic dysphonia, Subglottic stenosis, Tracheal stenosis, Tremor, Vocal cord paralysis, Voice disorder