TY - JOUR KW - Checked KW - Commentary AU - Herbert Rob BT - British Journal of Sports Medicine C1 - 2.233 C2 - 2.463 CN - N J2 - Br J Sports Med LA - eng LB - MSjournal M1 - 7 PY - 2005 SE - 2.463 EP - 422 ST - Br J Sports MedBr J Sports Med T2 - British Journal of Sports Medicine TI - Commentary (commentary) VL - 39 ER -