Relationship between preoperative systemic immune inflammation index and postoperative prognosis of pa⁃ tients with pancreatic cancer

WAN Mengyuan, LIU Shujuan, LIU Jingjing, CUI Jing.
The Journal of Practical Medicine . 2021, (19): 2482 -2486 .  DOI: 10.3969/j.issn.1006⁃5725.2021.19.010