Bates, G.J.E.M. 2000, 'The Ear', in
Bailey & Love's short practice of surgery eds R.C.G. Russell, N.S. Williams & C.J.K. Bulstrode, 23rd ed, Arnold, London.
Clarke, C.R.A. 1999, 'Neurological disease', in
Clinical Medicine, eds P. Kumar & M. Clark, Harcourt Publishers Limited, Edinburgh, London.
Snow, J B., 1997, 'Surgical disorders of the ears, nose, paranasal sinuses, pharynx and larynx', in Sabiston .D.C, Textbook of surgery, 15th ed, W.B. Saunders company, Philadelphia.
Neurofibromatosis 1
http://medlineplus.nlm.nih.gov/medlineplus/ency/article/000847.htm (Engels) Informatie van de National Library of Medicine (USA)
Neurofibromatosis 2
http://medlineplus.nlm.nih.gov/medlineplus/ency/article/000778.htm (Engels) Informatie van de National Library of Medicine (USA)