Yıldırım, Sedat, et al. “Prognostic Impact of Pan-Immune-Inflammation Value and Prognostic Nutritional Index in Metastatic Colorectal Cancer Patients Treated With Regorafenib”. The European Research Journal, vol. 11, no. 6, Nov. 2025, pp. 1067-7, https://doi.org/10.18621/eurj.1768888.