title: Histological evaluation of retrieved Copeland re-surfacing shoulder arthroplasties.
authors: John Scales Centre for Biomedical Engineering, Royal National Orthopaedic Hospital, Stanmore, London HA7 4LP, UK.
authors: Caesar A
authors: CA
authors: Wek
authors: Cormac P
authors: CP
authors: Kelly
authors: Joby
authors: J
authors: John
authors: Gordon
authors: G
authors: Blunn