RT Journal Article SR Electronic T1 Social marketing: why injury prevention needs to adopt this behaviour change approach 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 665 OP 667 DO 10.1136/bjsports-2011-090567 VO 47 IS 11 A1 Joshua D Newton A1 Michael T Ewing A1 Caroline F Finch YR 2013 UL http://bjsm.bmj.com/content/47/11/665.abstract AB