Computed tomography.
D001921:Brain / Q000000981:diagnostic imaging; D003201:Computers; D003365:Costs and Cost Analysis; D006801:Humans; D011829:Radiation Dosage; D011860:Radiography, Abdominal; D013902:Radiography, Thoracic / Q000379:methods; D014056:Tomography, X-Ray / Q000379:methods*