Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Schüttler, Karl F; Schenker, Hanno; Theisen, Christina; Schofer, Markus D; Getgood, Alan; Roessler, Philip P; Struewer, Johannes; Rominger, Marga B; Efe, Turgay (2014). Use of cell-free collagen type I matrix implants for the treatment of small cartilage defects in the knee: clinical and magnetic resonance imaging evaluation. Knee Surgery, Sports Traumatology, Arthroscopy, 22(6):1270-1276.