Development and validation of prognostic nomograms for adult with papillary renal cell carcinoma: A retrospective study Qingxiang Guo; Sai Li; Jiawei Zhu; Zewei Wang; Zhen Li; Junqi Wang; Rumin Wen; Hailong Li;

Development and internal validation of a clinical prediction model for spontaneous abortion risk in early pregnancy Junqing Li; Jimei Yang; Min Lv; Xiang Wang; Zhijing Chen; Na Zhou; Xuetao Hou; Zhen Song;

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