Insiripong W, Insiripong S. Iron Deficiency Anemia as the Warning Sign of Carcinoma of Colon. MNRHJ [internet]. 2024 Aug. 16 [cited 2025 Apr. 12];38(1):47-52. available from: https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1569