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2. Centers for Disease Control and Prevention: Inpatient Surgery. Data are for the U.S. http://www.cdc.gov/nchs/fastats/insurg.htm
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4. H.C. Amstutz and M.J. Le Duff: Lancet, 2012, Vol. 380, pp 105.
5. MHRA: Medical Device Alert on “All metal-on-metal (MoM) hip replacements”, Ref: MDA/2012/036, 25 June 2012.