“…The study has made a contribution to academic knowledge in relation to its fuzzy mathematical evaluation in the area. Currently the model has been further developed into a knowledge‐based evaluation system (Xu, 1996, 1999; Zhang et al , 2003; Qiu et al , 2003; Sun et al , 2003; Guo et al , 2006; Xu et al , 2006; Yan et al , 2006). The purpose is to further provide an effective tool for evaluating the medical treatment effects of SOD.…”