Multi‐omics analysis of intra‐tumoural and inter‐tumoural heterogeneity in pancreatic ductal adenocarcinoma. - Liu, Xiaoqian; Wang, Wenqian; Liu, Xiaoding; Zhang, Zhiwen; Yu, Lianyuan; Li, Ruiyu; Guo, Dan; Cai, Weijing; Quan, Xueping; Wu, Huanwen; Dai, Menghua; Liang, Zhiyong (Clinical & Translational Medicine, 2022)