title: Impact of new technology: the CT scanner.
mesh_terms: D001921:Brain; D001932:Brain Neoplasms / Q000175:diagnosis*; D002533:Cerebral Angiography / Q000706:statistics & numerical data; D002561:Cerebrovascular Disorders / Q000175:diagnosis*; D003399:Craniotomy / Q000706:statistics & numerical data; D004470:Economics, Medical; D004569:Electroencephalography / Q000706:statistics & numerical data; D005249:Fees and Charges; D006801:Humans; D011011:Pneumoencephalography / Q000706:statistics & numerical data; D014057:Tomography, X-Ray Computed