THE DIAGNOSTIC VALUE OF MRI IN PRE-OPERATIVE ASSESSMENT OF PERIANAL FISTULA IN ISLAMABAD-PAKISTAN: A RETROSPECTIVE, OBSERVATIONAL STUDY. RMSR [Internet]. 2025 Aug. 15 [cited 2026 Aug. 25];3(8):546-53. Available from: https://medicalsciencereview.com/index.php/Journal/article/view/1871