PT - JOURNAL ARTICLE AU - C O'Connell AU - A Byrne AU - L Swales TI - Asymptomatic left-sided pericardial cyst AID - 10.1136/emj.2008.069542 DP - 2010 Mar 01 TA - Emergency Medicine Journal PG - 238--238 VI - 27 IP - 3 4099 - http://emj.bmj.com/content/27/3/238.short 4100 - http://emj.bmj.com/content/27/3/238.full SO - Emerg Med J2010 Mar 01; 27