Bermúdez Villegas, Jorge, Gustavo Veirano, and Omar Rompani. 1985. “The Intersphincteric Abscess As a Cause of Chronic Anal Pain”. Revista Cirugía Del Uruguay 55 (1):28-31. https://revista.scu.org.uy/index.php/cir_urug/article/view/3643.