RT Journal Article SR Electronic T1 An unusual cause of cholecystitis: a worm in the bag JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 489 OP 490 DO 10.1136/emj.20.5.489 VO 20 IS 5 A1 Elaldi, N A1 Turan, M A1 Arslan, M A1 Dokmetas, I A1 Bakir, M YR 2003 UL http://emj.bmj.com/content/20/5/489.abstract AB