A measurement method of knee joint space width by ultrasound: a large multicenter study

Jiaan Zhu, Bing Li, Li Qiu, Hongmei Liu, Mi Zhang, Yuexiang Wang, Ping Wang, Dan Jiao, Tao Chen, Xueling Liu, Ligang Cui, Yong Shan, Baoming Luo, Ning Lin, Xing Hua, Zhenlong Hu, Yue Hu, Bin Tu, Yuanyi Zheng, Shuqiang Chen, Shiliang Xu, Jianying Mao, Weiyong Liu, Minghui Xiang, Jia Li, Jian Chen, Yuanjiao Tang, Siming Chen, Yanni He, Ting Dai, Shumin Zhang, Yuanyuan Zhang, Mingdi Fang, Shaoyun Hao, Xiaoyan Lin, Xiuzhen He, Bo Bao, Zhanguo Xi, Xiaojing Peng, Qunxia Zhang, GuoQing Du