Imamura T, Ohgi K, Mori K, Ashida R, et al. Surrogacy of Recurrence-free Survival for Overall Survival as an Endpoint of Clinical Trials of Perioperative Adjuvant Therapy in Hepatobiliary-pancreatic Cancers: A Retrospective Study and Meta-analysis. Ann Surg 2023 Aug 28. doi: 10.1097/SLA.0000000000006084.
PMID: 37638472