1Pursue science with great rigor and do innovative researchEditorial Board869-8712Statins for dyslipidemia in chronic kidney diseaseTAO Jian-ling, LI Xue-wang872-8743Updates on cognition impairment in ChinaCHEN Sheng-di, DENG Yu-lei875-8774Neuropathological features of neurodegenerative disease with dementiaPIAO Yue-shan, WANG Mu-yi878-8815Diagnosis and differentiation of Alzheimer' dementiaGAO Jing881-8836Cognitive impairment and neuropsychological assessment in Alzheimer's diseaseXIE Heng-ge883-8877Difference between Alzheimer's disease and vascular dementiaPENG Dan-tao887-8898Imaging diagnosis of Alzheimer's disease and vascular dementiaFAN Guo-guang, LI Song-bai889-8919Important aspects in the study of vascular cognitive impairmentLI Yan-sheng891-89410Progression in the research of mild cognitive impairmentCAO Yun-peng, ZHANG Li894-89611Treatment guidelines for hyponatremia in 2007WANG Yan, GU Feng897-90012Strong association between heart rate variability and gastrointestinal symptoms in peritoneal dialysis patientsLI Li-xian, TANG Wen, CHEN Bo-jun, WANG Tao901-90313Prevalence of cardiovascular disease biological risk factor clustering among overweight and obese population in Beijing community-results from CCEIPFU Yuan-yuan, YU Jin-ming, WANG Jia-hong, SUN Yi-hong, LIU Hui-fang, HU Da-yi904-90614G1138A mutation in FGFR3 gene causes achondroplasiaHE Shu-li, XIA Wei-bo, SUN Yue, XING Xiao-ping, LI Mei, WANG Ou, JIANG Yan, HU Ying-ying907-90915Comparison of three types of pathological classifications of IgA nephropathy and analysis of their correlation with clinical indicatorsZHAO Jie, FAN Qiu-ling, LIU Nan, JIANG Yi, MA Jian-fei, FENG Jiang-min, WANG Li-ning910-91216Comparitson on metabolic abnormalities among fatty liver patients with different alanine aminotransferase levelsMA Tai, ZHANG Bao, LI Qiu-gui, JIANG Jian-hua913-91517The difference of morbidity and clinical characteristics betweens colon cancer and rectal cancerLI Jing-nan, ZHAO Li, MIAO Zheng, ZHENG Wei-yang, YANG Hong, QIAN Jia-ming916-91818Study on the risk factors of perinephric hematoma caused by percutaneous renal biopsy which guided by ultrasonicZHENG Hong-guang, WANG Yu-hui, ZHANG De-wei, WANG Sha-xi, MEI Yu-ming919-92119Electromyologram and neuroradiological characteristic analysis of Hirayama diseaseCHEN Wei-an, ZHANG Yong, BI Yong, WANG Xun922-923,92620Assessment of left ventricular dyssynchrony and post systolic shortening in hypertrophic cardiomyopathy by speckle tracking imagingZHANG Yin-jia, CHEN Yue, HUANG Guo-ying924-926 