2Yeguang Wu1,Guobing Zhang1,Chunlin Zhang1,Zhibin Li1,Chenghan Wei2,Jinchao Chen3, Donglan Huang2,Rong Zhao1,Jinrui Huang1,Bin Wei2,Xiaoming Zhang2 1Department of Psychiatry, Nanning Social Welfare Hospital, Nanning 530003, Guangxi Zhuang Autonomous Region, China,2Department of Psychiatry, Jiulong Railway Hospital, Yizhou 546300, Guangxi Zhuang Autonomous Region, China,3Longevous Institute, Bama 546500, Guangxi Zhuang Autonomous Region, China.Cognitive function of 320 people over 65 years from longevous areas in Guangxi Zhuang Autonomous Region: Feasibility of the mini-mental state examination[J].Neural Regeneration Research,2006,1(9):797-800.