研究单位：[1]Peking University Third Hospital[2]Zhongnan Hospital[3]Second Hospital of Shanxi Medical University[4]The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School[5]The First Affiliated Hospital of Kunming Medical College[6]Zunyi Medical College[7]The First Affiliated Hospital of Zhengzhou University[8]Chinese PLA General Hospital[9]Xi'an Honghui Hospital
研究目的：
Guided cartilage regeneration membrane for repairing the safety and effectiveness of articular cartilage injury
