%0 Journal Article %A A Schepers %A N Nwokeyi %A D van der Jagt %T Metal Ion Levels With Ceramic On Metal And Metal On Metal Bearing Surfaces In Total Hip Replacement. A Comparison Between Well Placed And Poorly Placed Cups %D 2013 %J Orthopaedic Proceedings %P 57-57 %V 95-B %N SUPP_29 %R 10.1302/1358-992X.95BSUPP_29.SAOA2011-057 %U https://doi.org/10.1302/1358-992X.95BSUPP_29.SAOA2011-057 %K General