1. The United Kingdom Medicines and Healthcare Products Regulatory Agency (2012) Medical device alert: metal-on-metal (MoM) total hip replacements. Ref: MDA/2012/016. Issued 02 April 2012. http://mhra.gov.uk/publications/safetywarnings/ medicaldevicealerts/CON79157. Accessed 11 July 2012
2. The United States Food and Drug Administration (2013) Information for orthopaedic surgeons. Released January 17, 2013. http://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/ImplantsandProsthetics/MetalonMetalHipImplants/ucm241667.htm#3a . Accessed 17 Jan 2013
3. The United States Food and Drug Administration (2013) Information on soft tissue imaging and metal ion testing. Released January 17, 2013. http://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/ImplantsandProsthetics/MetalonMetalHipImplants/ucm331971.htm#metal . Accessed 17 Jan 2013
4. The United States Food and Drug Administration (2013) Information for all health care professionals who provide treatment to patients with a metal-on-metal hip implant. Released January 17, 2013. http://www.fda.gov/MedicalDevices/ ProductsandMedicalProcedures/ImplantsandProsthetics/MetalonMetalHipImplants/ucm241744.htm. Accessed 17 Jan 2013
5. Steens W, Von Foerster G, Katzer A (2006) Severe cobalt poisoning with loss of sight after ceramic-metal pairing in a hip—a case report. Acta Orthop 77(5):830–832