Thoracic surgery at century's end.
D014487:Centers for Medicare and Medicaid Services, U.S.; D016208:Databases, Factual; D005249:Fees and Charges; D005544:Forecasting; D020407:Internet; D007878:Legislation as Topic; D008318:Malpractice; D006278:Medicare / Q000191:economics; D012955:Societies, Medical; D013903:Thoracic Surgery / Q000191:economics / Q000639:trends*; D014481:United States