Zulfiqar A-A, Andres E. The Vitamin B12–C-Reactive Protein Index in Advanced Cancer: A Case Report and Narrative Review of an Underutilized Potential Prognostic Biomarker. J Med Cases [Internet]. 2026 Jan. 1 [cited 2026 Nov. 10];17(12):707-11. Available from: https://jmc.elmerpub.com/index.php/jmc/article/view/5414