RT Journal Article SR Electronic T1 The baseball bat: a modern day cudgel JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 112 OP 112 DO 10.1136/emj.2006.042929 VO 24 IS 2 A1 C J Lightbody A1 C MacIver YR 2007 UL http://emj.bmj.com/content/24/2/112.abstract AB