Strjina V, Kelley SR. An unusual case of proctosigmoiditis secondary to arteriovenous fistulization. Turkish Journal of Gastroenterology [Internet]. 2017 Jan. 5 [cited 2026 Jan. 1];28(5):408-11. Available from: https://turkjgastroenterol.org/index.php/tjg/article/view/3116