RT Journal Article SR Electronic T1 Seven member societies benefit from BJSM's 16 annual issues: add your society for 2013? 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 1169 OP 1169 DO 10.1136/bjsports-2011-090723 VO 45 IS 15 A1 Karim M Khan YR 2011 UL http://bjsm.bmj.com/content/45/15/1169.abstract AB