PT - JOURNAL ARTICLE AU - J G Cooper AU - J S Thomson AU - A J Cooper TI - Sledging in childhood: just harmless fun? AID - 10.1136/emj.20.6.538 DP - 2003 Nov 01 TA - Emergency Medicine Journal PG - 538--539 VI - 20 IP - 6 4099 - http://emj.bmj.com/content/20/6/538.short 4100 - http://emj.bmj.com/content/20/6/538.full SO - Emerg Med J2003 Nov 01; 20