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Filtration removes some contaminants but doesn't sterilize

Sikiric group: extensive rat-model evidence of gastric and intestinal cytoprotection

10.1016/j.toxicon.2018.09.013 47 ChoiG.-M.LeeB.HongR.ParkS.-Y.ChoD.-E.YeomM.et al (2021)

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Critical limitation: all of these studies were conducted in rats