[1] Sichuan Univ, West China Sch Preclin & Forens Med, Dept Pharmacol, Chengdu 610041, Peoples R China
[2] Ningxia Med Univ, Sch Pharm, Dept Pharmacol, Yinchuan 750004, Peoples R China
[3] Sichuan Univ, Dept Gastrointestinal Surg Ctr, West China Hosp, Chengdu 610041, Peoples R China
[4] Sichuan Univ, Chengdu 610041, Peoples R China