RT Journal Article SR Electronic T1 Switch off the light on cycling, switch off the light on doping JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 162 OP 162 DO 10.1136/bjsm.2007.041830 VO 42 IS 3 A1 Lippi, G A1 Franchini, M A1 Cesare Guidi, G YR 2008 UL http://bjsm.bmj.com/content/42/3/162.abstract AB