title: Diagnostic challenges in closed head trauma.
mesh_terms: D001930:Brain Injuries / Q000000981:diagnostic imaging / Q000628:therapy; D002533:Cerebral Angiography; D002543:Cerebral Hemorrhage / Q000000981:diagnostic imaging / Q000628:therapy; D006259:Craniocerebral Trauma / Q000000981:diagnostic imaging* / Q000601:surgery / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans; D014057:Tomography, X-Ray Computed