RT Journal Article SR Electronic T1 Arthroscopic surgery for knee pain: a highly questionable practice without supporting evidence of even moderate quality 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 1426 OP 1427 DO 10.1136/bmj.i3934rep VO 50 IS 23 A1 Järvinen, Teppo L N A1 Guyatt, Gordon H YR 2016 UL http://bjsm.bmj.com/content/50/23/1426.abstract AB