TY - JOUR T1 - Commentary JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 245 LP - 245 DO - 10.1136/bjsm.31.3.245 VL - 31 IS - 3 AU - John Kremer Y1 - 1997/09/01 UR - http://bjsm.bmj.com/content/31/3/245.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -