@article{doi:10.2106/JBJS.K.01045, author = {Paxton, Elizabeth W. and Furnes, Ove and Namba, Robert S. and Inacio, Maria C.S. and Fenstad, Anne M. and Havelin, Leif I.}, title = {Comparison of the Norwegian Knee Arthroplasty Register and a United States Arthroplasty Registry}, journal = {The Journal of Bone & Joint Surgery}, volume = {93}, number = {Supplement_3}, pages = {20-30}, year = {2011}, doi = {10.2106/JBJS.K.01045}, URL = { + http://dx.doi.org/10.2106/JBJS.K.01045}, eprint = {} }