1. Cochlear implants: current designs and future possibilities;Wilson;J Rehabil Res Dev,2008
2. BCIG. Annual update 2014–2015 2015. http://www.bcig.org.uk/wp-content/uploads/2015/12/CI-activity-2015.pdf
3. Ear Foundation. Cochlear implants. http://www.earfoundation.org.uk/files/download/1221 In: Ear Foundation information sheet, ed., 2016.
4. Office for National Statistics. [Archived content] National population projections, 2010-based statistical bulletin. http://webarchive.nationalarchives.gov.uk/20160105160709/http://ons.gov.uk/ons/rel/npp/national-population-projections/2010-based-projections/index.html 2011.