L. . Min, D. . Ziyu, Z. . Xiaofei, X. . Shunhe, and W. . Bolin, “Analysis of levels and Clinical value of CA19-9, NLR and SIRI in patients with Pancreatic Cancer with different Clinical Features”, Cell Mol Biol (Noisy-le-grand), vol. 67, no. 5, pp. 302–308, Feb. 2022.