Increased risk of reoperation and failure to attain clinically relevant improvement following autologous chondrocyte implantation of the knee in female patients and individuals with previous surgeries: a time-to-event analysis based on the German cartilage registry (KnorpelRegister DGOU) - Bumberger, Alexander; Rupp, Marco Christopher; Lattermann, Christian; Kleiner, Anne; Niemeyer, Philipp (Knee Surgery, Sports Traumatology, Arthroscopy, 2023)