RT Journal Article SR Electronic T1 High or low return to sport rates following hip arthroscopy is a matter of definition? 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 1475 OP 1476 DO 10.1136/bjsports-2018-099154 VO 52 IS 22 A1 Tobias Wörner A1 Kristian Thorborg A1 Anders Stålman A1 Kate E Webster A1 Hanna Momatz Olsson A1 Frida Eek YR 2018 UL http://bjsm.bmj.com/content/52/22/1475.abstract AB