TY - JOUR T1 - The 'light bulb' sign. JF - Journal of Accident & Emergency Medicine JO - Arch Emerg Med SP - 210 LP - 210 DO - 10.1136/emj.11.3.210-b VL - 11 IS - 3 AU - B Wright AU - J Booth Y1 - 1994/09/01 UR - http://emj.bmj.com/content/11/3/210.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -