DR. PRADISH SHEORAN, DR. G.L. MEENA. DIAGNOSTIC ROLE OF MRI IN THE PRE-OPERATIVE EVALUATION OF PERIANAL FISTULA. International Journal of Medical Science And Diagnosis Research, [S. l.], v. 2, n. 4, 2018. Disponível em: https://www.ijmsdr.com/index.php/ijmsdr/article/view/60. Acesso em: 1 may. 2026.