Effect of Jiaotai pill on pancreatic fat accumulation and islet cell apoptosis in rats with type 2 diabetes Effect of Fructus Schisandrae oil on blood glucose of type 2 diabetic rats induced by Streptozotocin Effects of chemical constituents of Crossostephium chinense on  insulin secretion in rat islets in vitro Effect of Jiangtang Xiaozhi capsule on morphological changes of islet and liver in rat modle of type 2 diabtic mellitus Effect of Schisandrae Fructus oil on type 2 diabetic rats induced by Streptozotocin