TY - JOUR AU - Kohn, Ludwig AU - Beitzel, Knut AU - Meidinger, Gebhart AU - Banke, Ingo AU - Münch, Marina AU - Beermann, Insa AU - Imhoff, Andreas AU - Schöttle, Philip DO - doi:10.1302/1358-992X.94BSUPP_XXXVII.EFORT2011-345 UR - https://doi.org/10.1302/1358-992X.94BSUPP_XXXVII.EFORT2011-345 TI - TREATMENT OF PERSISTENT PATELLOFEMORAL INSTABILITY AFTER FAILED PREVIOUS SURGERY T2 - Orthopaedic Proceedings VL - 94-B IS - SUPP_XXXVII PY - 2012 SP - 345 EP - 345 ER -