AU - Havelin, Leif I. AU - Robertsson, Otto AU - Fenstad, Anne M. AU - Overgaard, Søren AU - Garellick, Göran AU - Furnes, Ove TI - A Scandinavian Experience of Register Collaboration: The Nordic Arthroplasty Register Association (NARA) PT - JOUR DP - 2011 TA - The Journal of Bone & Joint Surgery PG - 13-19 VI - 93 IP - Supplement_3 AID - 10.2106/JBJS.K.00951 [doi] 4100 - http://dx.doi.org/10.2106/JBJS.K.00951 SO - The Journal of Bone & Joint Surgery December 21, 2011 93(Supplement_3):13