FECAL CALPROTECTIN AS A NON-INVASIVE MARKER OF ENDOSCOPIC ACTIVITY IN INFLAMMATORY BOWEL DISEASE: A RETROSPECTIVE STUDY. MJBS [Internet]. 2026 Oct. 30 [cited 2026 Oct. 31];2(02):13-9. Available from: https://mjbsjournal.com/index.php/home/article/view/36