RT Journal Article SR Electronic T1 Two factors that may underpin outstanding outcomes after ACL rehabilitation 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 1425 OP 1425 DO 10.1136/bjsports-2015-095194 VO 49 IS 22 A1 H Grindem A1 M A Risberg A1 I Eitzen YR 2015 UL http://bjsm.bmj.com/content/49/22/1425.abstract AB