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Rogers FB, Li SC (August 2001). "Acute colonic necrosis associated with sodium polystyrene sulfonate (Kayexalate) enemas in a critically ill patient: case report and review of the literature". The Journal of Trauma. 51 (2): 395–397. doi:10.1097/00005373-200108000-00031. PMID11493807.
Harel Z, Harel S, Shah PS, Wald R, Perl J, Bell CM (March 2013). "Gastrointestinal adverse events with sodium polystyrene sulfonate (Kayexalate) use: a systematic review". The American Journal of Medicine. 126 (3): 264.e9–264.24. doi:10.1016/j.amjmed.2012.08.016. PMID23321430.