TY - JOUR T1 - Methods matter: instrumental variable analysis may be a complementary approach to intention-to-treat analysis and as treated analysis when analysing data from sports injury trials JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 1006 LP - 1008 DO - 10.1136/bjsports-2020-102155 VL - 55 IS - 18 AU - Pascal Edouard AU - Kathrin Steffen AU - Laurent Navarro AU - Mohammad Ali Mansournia AU - Rasmus Oestergaard Nielsen Y1 - 2021/09/01 UR - http://bjsm.bmj.com/content/55/18/1006.abstract N2 - Markup server — Error Not Found The page you were trying to reach could not be found. Please check the address for the page you were trying to reach. If you believe you have reached this page in error, you may contact us with any questions. ER -