Alterations of CSF cystatin C levels and their correlations with CSF Αβ40 and Αβ42 levels in patients with Alzheimer's disease, dementia with lewy bodies and the atrophic form of g... oleh Xiao-Mei Zhong, Le Hou, Xin-Ni Luo, Hai-Shan Shi, Guo-Yan Hu, Hong-Bo He, Xin-Ru Chen, Dong Zheng, Yue-Feng Zhang, Yan Tan, Xue-Jun Liu, Nan Mu, Jian-Ping Chen, Yu-Ping Ning