[1] Ningxia Med Univ, Dept Pharmacol, Yinchuan 750004, Peoples R China
[2] Ningxia Med Univ, Dept Pathol, Yinchuan 750004, Peoples R China
[3] Ningxia Hui Autonomous Reg, Key Lab Craniocerebral Dis, Yinchuan, Peoples R China
[4] Ningxia Med Univ, Med Sci Tech Res Ctr, Yinchuan 750004, Peoples R China