1. Extradural aerocele;Alexander,1982
2. Air in acute epidural hematomas;Aoki,1986
3. Concurrent delayed temporal and posterior fossa epidural hematomas;Cervantes,1983
4. Chronic extradural hematoma and extradural aerocele;Hanieh,1979
5. Cerebrospinal fluid leakage, dural fistulae and meningitis after basal skull fracture;Leech;Injury,1974