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Transepithelial electrical resistance (TEER) of gut epithelium treated with H2O2, traumatized rat sera (TURsera) or normal rat sera (Sham sera) in the presence and absence of physiologic (0.1 μM) and supraphysiologic (5 μM) doses of T4. Control cultures were treated with FBS. Each bar presents mean±SEM of 4-5 individually tested epithelia. *P<0.05, significant differences in comparison with control and H2O2-treated epithelia
