RT Journal Article SR Electronic T1 BET 2: Best Evidence Topic Report: utility of the speed bump sign in diagnosis of acute appendicitis JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 397 OP 398 DO 10.1136/emermed-2018-207777.2 VO 35 IS 6 A1 Luke Buswell A1 Peter Hulme YR 2018 UL http://emj.bmj.com/content/35/6/397.abstract AB