1. Moller AR. Similarities between chronic pain and tinnitus. Am J Otol1997; 18: 577–85
2. Allen RE. Concise Oxford Dictionary of Current English. Oxford: Clarendon Press, 1990
3. McFadden D. Tinnitus: Facts, Theories and Treatments. Report of working group 89. Committee on Hearing, Bioacoustics and Biomechanics. National Research Council. Washington DC: National Academy Press, 1982
4. Davis AC, Rafaie EA. Epidemiology of tinnitus. In: Tyler RS. (ed) Tinnitus Handbook. San Diego, CA: Singular, 2000; 1–24
5. Baguley DM, McFerran DJ. Current perspectives on tinnitus. Arch Dis Child2002; 86: 141–3