Sager, W D [Cranial computerized tomography: more tests and increased costs?]. [electronic resource] - Deutsche medizinische Wochenschrift (1946) Feb 1981 - 163-4 p. digital Publication Type: Journal Article ISSN: 0012-0472 Standard No.: 10.1055/s-2008-1070277 doi Subjects--Topical Terms: AngiographyBrain Diseases--diagnostic imagingBrain Neoplasms--diagnostic imagingCerebral AngiographyCost-Benefit AnalysisHumansPneumoencephalographyTomography, X-Ray Computed--economics