| westernthoracic.org | Western Thoracic Surgical Association |
| tsfre.org | The Thoracic Surgery Foundation for Research and Education |
| stsa.org | The Southern Thoracic Surgical Association |
| sts.org | The Society of Thoracic Surgeons |
| apacvs.org | Association of Physician Assistants in Cardiovascular Surgery |
| abts.org | American Board of Thoracic Surgery |
| facs.org | American College of Surgeons |
| eacts.org | The European Association for Cardio-thoracic Surgery |
| ctsnet.org | Cardiothoracic Surgery Network |
| chestnet.org | American College of Chest Physicians |
| ctsnet.org | www.ctsnet.org/ |
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