1. Watkinson JC. Turnours of the thyroid gland.In: Jones AS, Phillips DE, Hilgers FJM (Eds.). Diseases of the Head and Neck, Nose and Throat. London: Arnold; 1998: 347–71.
2. Eisle DW. Complications of thyroid surgery.In: Eisle DW (Ed.). Complications in Head and Neck Surgery. St Louis: Mosby Press; 1993; 47: 423–36.
3. Sturniolo G, D’Alia C, Tenante A, et al. The recurrent laryngeal nerve related to thyroid surgery. Am J Surg 1999; 77: 485–8.
4. Mountain JC, Stewart GR, Colcock BP. The recurrent laryngeal nerve in thyroid operations. Surg Gynaecol Obstet 1971; 133:978–80.
5. Akthar TM. Laryngeal mask airway and visualisation of vocal cords during thyroid surgery (Letter). Can J Anaesth 1991; 38: 140.