Cranial CT in the investigation of headache: cost-effectiveness for brain tumors.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001932:Brain Neoplasms / Q000000981:diagnostic imaging*; D002648:Child; D003362:Cost-Benefit Analysis; D005260:Female; D006261:Headache / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D014057:Tomography, X-Ray Computed / Q000191:economics*