Protective effects of calorie restriction on insulin resistance and islet function in STZ-induced type 2 diabetes rats oleh Li Zhang, Ying-juan Huang, Jia-pan Sun, Ting-ying Zhang, Tao-li Liu, Bin Ke, Xian-fang Shi, Hui Li, Geng-peng Zhang, Zhi-yu Ye, Jianguo Hu, Jian Qin