Emergency CT of the head: indications and utilization.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D006259:Craniocerebral Trauma / Q000000981:diagnostic imaging*; D004630:Emergencies; D006801:Humans; D007223:Infant; D008875:Middle Aged; D014057:Tomography, X-Ray Computed