RT Journal Article SR Electronic T1 Tension gastrothorax: a rare cause of breathlessness JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 500 OP 500 DO 10.1136/emermed-2012-202196 VO 30 IS 6 A1 James William Gagg A1 Andrew Savva YR 2013 UL http://emj.bmj.com/content/30/6/500.abstract AB