TY - JOUR T1 - Take nothing but pictures, leave nothing but footprints…? JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 565 LP - 565 DO - 10.1136/bjsm.2006.029231 VL - 40 IS - 7 AU - P McCrory Y1 - 2006/07/01 UR - http://bjsm.bmj.com/content/40/7/565.abstract N2 - This article has been retracted. See the retraction notice for details. The PDF is retained for transparency. ER -