1. Directive 2007/47/EC of the European Parliament and of the Council of 5 September amending Council Directive 90/385/EEC on the approximation of the laws of the Member States relating to active implantable medical devices Council Directive 93/42/EEC concerning medical devices and Directive 98/8/EC concerning the placing of biocidal products on the market;2007.
2. New York Daily News. EU to tighten medical controls after breast implant scandal 2012.http://www.nydailynews.com/life-style/health/eu-tighten-medical-controls-pip-breast-implant-scandal-article-1.1169444. Accessed January 14 2019.
3. BMJ. Joint BMJ/BBC Newsnight investigation raises new concerns over metal hip implants which may affect more people than the breast implants scandal 2012.http://www.bmj.com/press-releases/2012/02/28/joint-bmj-bbc-newsnight-investigation-raises-new-concerns-over-metal-hip-i. Accessed January 14 2019.
4. US FDA. Metal‐on‐metal hip implants. information for orthopedic surgeons: FDA; 2013. http://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/ImplantsandProsthetics/MetalonMetalHipImplants/ucm241667.htm. Accessed January 14 2019.
5. Health Canada. Metal‐on‐Metal Hip Implants ‐ Information for Orthopaedic Surgeons Regarding Patient Management Following Surgery ‐ For Health Professionals 2012.http://healthycanadians.gc.ca/recall-alert-rappel-avis/hc-sc/2012/15835a-eng.php. Accessed January 14 2019.