RT Journal Article SR Electronic T1 Cystic abdominal swelling JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 738 OP 738 DO 10.1136/emj.2008.068007 VO 27 IS 10 A1 A A Murad YR 2010 UL http://emj.bmj.com/content/27/10/738.abstract AB