Trinitrobenzenesulfonic AcidSulfonic AcidsColitisColonNitrobenzenesPeroxidasePicryl ChlorideAnilino NaphthalenesulfonatesIntestinal MucosaDisease Models, AnimalRats, WistarRats, Sprague-DawleyMice, Inbred BALB CTumor Necrosis Factor-alphaHydrogen-Ion ConcentrationDose-Response Relationship, DrugKineticsTime Factors