Evaluation of serum levels of malondialdehyde and endogenous non-enzymatic antioxidants in relation to colorectal cancer stage and intestinal wall infiltration. JHSCI [Internet]. 2021 Dec. 30 [cited 2024 May 3];11(3):142-8. Available from: https://www.jhsci.ba/ojs/index.php/jhsci/article/view/1387