TY - RPRT TI - Characteristics of p53 and Smad4 immunohistochemistry in pancreatic ductal adenocarcinoma and validation by next-generation sequencing. AU - Ziqi Zhao AU - Juan Du AU - Wenyang Guo AU - Lingchao Liu AU - Congrong Liu AU - Limei Guo PY - 2026 DO - 10.14670/hh-25-072 UR - https://pubmed.ncbi.nlm.nih.gov/41937716/ ID - 41937716 ER -