Shrestha, Anuj, Attit Baskota, Fu Yu Li, Wen-Jie Ma, Qin Yang, Hu-Hai Jie, and Sunil Man Bijukchhe. 2018. “Impact of Tumor Size on Survival Outcome of Pancreatic Carcinoma Following Pancreatic Resection: A Systematic Review and Meta-Analysis”. Asian Journal of Medical Sciences 9 (1):1-10. https://nepjol.info/index.php/AJMS/article/view/18714.