RT Journal Article SR Electronic T1 Tension pneumocephalus following head injury JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 324 OP 324 DO 10.1136/emj.2005.028175 VO 23 IS 4 A1 S M Joshi A1 A Demetriades A1 S S Vasani A1 H Ellamushi A1 J Yeh YR 2006 UL http://emj.bmj.com/content/23/4/324.abstract AB