Analysis of PD-1/PD-L1 variations in lung cancer and association with immunotherapeutic efficacy and prognosis: A nonrandomized controlled trial Jun Ma; JianRui Song; LiNa Han; Wen Zhou; LiFeng Meng; JianHui Li; XiaoMing Bai;

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

Clinical research of fibroscan ¿ TE-CAP at noninvasive diagnosis of hepatic steatosis in children Shuangzhen Jia; Jianli Zhou; Qiao Zhang; Shaoming Zhou; Zhaoxia Wang; Xiaolin Ye; Jie Wu;