RT Journal Article SR Electronic T1 Foot orthoses and physiotherapy in the treatment of patellofemoral pain syndrome: randomised clinical trial 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 163 OP 168 DO 10.1136/bmj.a1735 VO 43 IS 3 A1 Collins, Natalie A1 Crossley, Kay A1 Beller, Elaine A1 Darnell, Ross A1 McPoil, Thomas A1 Vicenzino, Bill YR 2009 UL http://bjsm.bmj.com/content/43/3/163.2.abstract AB