title: Unenhanced CT scans in identifying hematomas after blunt abdominal trauma.
mesh_terms: D000007:Abdominal Injuries / Q000000981:diagnostic imaging*; D003287:Contrast Media; D006406:Hematoma / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D014057:Tomography, X-Ray Computed / Q000379:methods*; D014949:Wounds, Nonpenetrating / Q000150:complications / Q000000981:diagnostic imaging*
chemical_list: D003287:Contrast Media