Viking Bjork's CTSNet MEMBERSHIPSAmerican Association for Thoracic Surgery Cardiothoracic Surgery Network European Association for Cardio-Thoracic Surgery French Society for Thoracic and Cardiovascular Surgery Scandinavian Association for Thoracic Surgery Society for Cardiothoracic Surgery in Great Britain and Ireland Viking Bjork's CommitteesSCANDINAVIAN-ATS |