Chiam, K. H., A. Madatang, W. Z. Y. Daphnie, and R. Muthukaruppan. “Calcium Polystyrene Sulfonate Induced Necrotizing Ulcerative Enterocolitis - Not Just an Innocent Bystander”. Asian Journal of Research and Reports in Gastroenterology, Vol. 5, no. 1, Jan. 2021, pp. 10-15, https://www.journalajrrga.com/index.php/AJRRGA/article/view/30135.