[Deng, Yu; Ding, Ning; Li, Menglei; Zhang, Tao] Hunan Univ Chinese Med, Grad Sch, Changsha, Peoples R China.
[Luo, Hongbiao; He, Yongheng] Hunan Acad Tradit Chinese Med, Affiliated Hosp, Dept Anorectal Surg, Changsha, Peoples R China.
[Luo, Hongbiao] Chenzhou 1 Peoples Hosp, Dept Anorectal Surg, Chenzhou, Peoples R China.
[Luo, Hongbiao] Hunan Univ Chinese Med, Affiliated Hosp 2, Dept Anorectal Surg, Changsha, Peoples R China.