title: The American Association for Thoracic Srugery 1976-1977.
mesh_terms: D006348:Cardiac Surgical Procedures; D004181:Directories as Topic; D013502:General Surgery; D006801:Humans; D012955:Societies, Medical; D013903:Thoracic Surgery; D013909:Thorax / Q000601:surgery; D014481:United States