TY - JOUR T1 - Random thoughts on bicycle helmets JF - Injury Prevention JO - Inj Prev SP - 231 LP - 231 DO - 10.1136/ip.3.3.231 VL - 3 IS - 3 AU - Don Harvey Y1 - 1997/09/01 UR - http://injuryprevention.bmj.com/content/3/3/231.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -