Construction of a prognostic model based on the cuproptosis-related genes in pancreatic cancer - Kaili Liao; Yuxin Fu; Shuman Guo; Tingyi Qian; Feifei Teng; Yuhan Xu; Bing Sun; Hanqing Zhao; Jingyan Zhang; Ranhao Fan; Jie Gao; Xiaozhong Wang (Genes and Diseases)