Efficacy and Safety of Revefenacin in Chronic Obstructive Pulmonary Disease:a Meta-analysis 
LI Ling,YANG Ming,LI Xuefeng,LIU Fu
Chinese General Practice . 2021, (11): 1400 -1405 .  DOI: 10.12114/j.issn.1007-9572.2021.00.414