TY - GEN AU - Haddad,Fares AU - Oussedik,Sam TI - Insufficient evidence to recommend a specific bearing surface in implantable hip devices: comparative studies find little difference in outcomes SN - 1473-6810 PY - 2013///0717 N1 - Publication Type: Comment; Journal Article UR - https://doi.org/10.1136/ebmed-2012-100678 ER -