Benefits of melatonin on mortality in severe-to-critical COVID-19 patients: A systematic review and meta-analysis of randomized controlled trials Jinlv Qin; Guizuo Wang; Dong Han;

Real-world setting comparison of bridging therapy versus direct mechanical thrombectomy for acute ischemic stroke: A meta-analysis Bin Qin; Tao Wei; Wen Gao; Hui-xun Qin; Yu-Ming Liang; Cheng Qin; Hong Chen; Ming-Xiu Yang;

A meta-analysis on the efficacy of endoscopic ultrasonography for treatment of pancreatic cancer Min Xuan; Na Li; Chunyan Wu;