PT - JOURNAL ARTICLE AU - Beck, Josh AU - Jang, Timothy B TI - Short answer question case series: diagnosis of acute cholecystitis AID - 10.1136/emermed-2011-200867 DP - 2012 May 01 TA - Emergency Medicine Journal PG - 430--431 VI - 29 IP - 5 4099 - http://emj.bmj.com/content/29/5/430.short 4100 - http://emj.bmj.com/content/29/5/430.full SO - Emerg Med J2012 May 01; 29