{"version":"1.0","type":"link","title":"Development and external validation of a prognostic nomogram to predict survival in patients aged ≥60 years with pancreatic ductal adenocarcinoma.","author_name":"Zheng B 외","author_url":"https://prs-insight.online/author/Zheng%20B","provider_name":"PRSinsight","provider_url":"https://prs-insight.online","thumbnail_url":"https://prs-insight.online/og/paper/157409","thumbnail_width":1200,"thumbnail_height":630}