Links Below is a list of relative links for professionals.   Registers and databases Denmark Dansk hoftealloplastik register http://www.dhr.dk/ Sweden Svensk Hoftealloplastikk-register http://www.jru.orthop.gu.se/ Norway The Norwegian Arthroplasty Register http://info.haukeland.no/nrl/ Finland The Finnish Arthroplasty Register http://www.ear.efort.org/ Great Britain National Joint registry http://www.njrcentre.org.uk/ European Arthroplasty register http://www.ear.efort.org/   Research Norwegian Orthopaedic Implant Research Unit http://www.medisin.ntnu.no/nksoi/   Journals Acta Ortopaedica http://www.actaorthopscand.org/ The Journal of Arthroplasty http://www.arthroplastyjournal.org/home Hip International http://www.hip-int.com/index.asp?a=current The Journal of Bone & Joint Surgery http://www.jbjs.org.uk/   National Societies Norwegian Ortopaedic Association http://www.ortopedi.no/ Danish Society for Hip and Knee Replacement http://www.dshk.org/ Swedish Ortopaedic Association http://www.musconline.org/default.aspx?portalid=14 Finnish Ortopaedic Association http://www.soy-foa.org/etusivu.html The Icelandic Orthopedic Society http://www.iceort.org/IceEn/iceen.htm   International societies European Hip Society http://www.european-hip-society.org/ European Federation of National Associations of Orthopaedics and Traumatology (EFORT) http://www.efort.org/ International Society for Technology in Arthroplasty (ISTA) http://www.ista.to/ European Rheumatoid Arthritis Surgical Society (ERASS) http://www.erass.org/   Congresses and meetings 9th EFORT Congress 2008, Nice, France May 29 June 1 http://nice2008.efort.org/ 54th Nordic Orthopaedic Federation Congress, Amsterdam, The Netherlands 21-23 May 2008 http://www.nof2008.com/home 15th ERASS Congress 2008, Barcelona, Spain June 6 - 7 http://www.activecongress.es/erass2008/   Search engines PubMed http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed   Other web resources Ortopaedic Weblinks (OWL gateway) http://www.orthopaedicweblinks.com/   Industry partners Ceramtec http://www.ceramtec.com/de/00001,0001,0000,0000.php Medical Group http://www.medicalgroup.fr/ IV Mako Verktoy AS http://www.industriverktoyas.no/index.php?ID=24&lang=eng