RT Journal Article SR Electronic T1 The effect of strengthening interventions on strength and physical performance in people with cerebral palsy (PEDro synthesis) 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 189 OP 190 DO 10.1136/bjsports-2015-094929 VO 50 IS 3 A1 Peter William Stubbs A1 Joanna Diong YR 2016 UL http://bjsm.bmj.com/content/50/3/189.abstract AB