TY - JOUR T1 - Contributions to Sports Medicine Journals JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 40 LP - 40 DO - 10.1136/bjsm.10.1.40 VL - 10 IS - 1 AU - John P. Jesse Y1 - 1976/03/01 UR - http://bjsm.bmj.com/content/10/1/40.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -