The early years of the Southern Thoracic Surgical Association.
D006348:Cardiac Surgical Procedures / Q000266:history*; D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D012955:Societies, Medical / Q000266:history*; D013896:Thoracic Diseases / Q000601:surgery*; D014481:United States