Chronic Obstructive Pulmonary Disease as a Risk Factor for Cognitive Dysfunction: A Meta-Analysis of Current Studies. Zhang X, Cai X, Shi X, Zheng Z, Zhang A, Guo J, Fang Y J Alzheimers Dis. 2016 02 27; 52(1):101-11. PMID: 26967208. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow