Veljko Strjina, Scott R. Kelley. An unusual case of proctosigmoiditis secondary to arteriovenous fistulization. Turkish Journal of Gastroenterology [Internet]. 2019 Jul. 25 [cited 2025 Jul. 16];28(5):408-11. Available from: https://tjg.avesjournals.com/index.php/tjg/article/view/3436