%0 Journal Article %T Certificates of Added Qualifications in Orthopedic Surgery %A URBANIAK, JAMES R. %J Clinical Orthopaedic and Related Research (CORR) %V 257 %P 52–56-52&ndash-ndash;56-52–56 %@ 0009-921X %D 1990-08-01 %~ DeepDyve