TY - GEN AU - Heneghan,Carl AU - Langton,David AU - Thompson,M TI - Ongoing problems with metal-on-metal hip implants SN - 1756-1833 PY - 2012///0612 KW - Arthroplasty, Replacement, Hip KW - Chromium Alloys KW - adverse effects KW - Device Approval KW - European Union KW - Foreign-Body Migration KW - complications KW - Government Regulation KW - Hip Prosthesis KW - Humans KW - Practice Guidelines as Topic KW - Product Surveillance, Postmarketing KW - Prosthesis Design KW - Prosthesis Failure KW - Reoperation KW - Safety-Based Medical Device Withdrawals KW - United States N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/bmj.e1349 ER -