RT Journal Article SR Electronic T1 Asymptomatic cerebellar medulloblastoma unmasked by minor head injury JF Journal of Accident & Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 151 OP 151 DO 10.1136/emj.17.2.151 VO 17 IS 2 A1 J J McInerney A1 A J Colquhoun A1 G G Bodiwala YR 2000 UL http://emj.bmj.com/content/17/2/151.abstract AB