RT Journal Article SR Electronic T1 Chilaiditi's sign JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 86 OP 86 DO 10.1136/emermed-2011-200278 VO 29 IS 1 A1 Rohman, Lebur A1 Jones, Andrew YR 2012 UL http://emj.bmj.com/content/29/1/86.1.abstract AB