4-Liter split-dose polyethylene glycol is superior to other bowel preparations, based on systematic review and meta-analysis.

Enestvedt BK, Tofani C, Laine LA, Tierney A, Fennerty MB. 4-Liter split-dose polyethylene glycol is superior to other bowel preparations, based on systematic review and meta-analysis. Clin Gastroenterol Hepatol. 2012 Nov; 10(11):1225-31.

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