Natalie Tamir-Degabli, et al. “Salvage Therapy in Acute Severe Ulcerative Colitis: Current Practice and a Look to the Future”. Turkish Journal of Gastroenterology, vol. 34, no. 6, June 2023, pp. 576-83, https://tjg.avesjournals.com/index.php/tjg/article/view/4478.