title: Use of CT scans in an out-patient headache population: an evaluation.
mesh_terms: D000293:Adolescent; D000328:Adult; D005069:Evaluation Studies as Topic; D006261:Headache / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D008881:Migraine Disorders / Q000000981:diagnostic imaging*; D010045:Outpatients; D010361:Patients; D014057:Tomography, X-Ray Computed