TY - JOUR AU - Ries, M.D. DO - doi:10.1302/1358-992X.2019.8.065 UR - https://doi.org/10.1302/1358-992X.2019.8.065 TI - THE UNSTABLE KNEE: MANIFESTATIONS, REASONS AND CORRECTIVE ACTIONS T2 - Orthopaedic Proceedings VL - 101-B IS - SUPP_8 PY - 2019 SP - 65 EP - 65 ER -