研究单位：[1]Beijing Northland Biotech. Co.,Ltd.[2]Peking Union Medical College Hospital Beijing,Beijing,China,100032[3]Beijing Shijitan Hospital Beijing,Beijing,China,100038[4]Xuanwu Hospital Capital Medical University Beijing,Beijing,China,100053[5]The General Hospital of the People's Liberation Army Beijing,Beijing,China,100853[6]Wuhan Union Hospital Wuhan,Hubei,China,430022[7]The Second Xiangya Hospital of Central South University Changsha,Hunan,China[8]Nanjing Drum Tower Hospital Nanjing,Jiangsu,China,210008[9]First Hospital of Jilin University Changchun,Jilin,China,130021[10]The Second Hospital of Dalian Medical University Dalian,Liaoning,China
研究目的：
The purpose of this study is to evaluate whether intramuscular injections of NL003 into the calf is safe and effective in the treatment of critical limb ischemia
