Mouth DiseasesMouth MucosaSymptom AssessmentTongue, FissuredOral UlcerLeukoplakia, OralLichen Planus, OralTongue DiseasesGingival DiseasesOral Submucous FibrosisMouth NeoplasmsGastric MucosaStomach UlcerPrevalenceHydrochloric AcidStomach Diseasesp-Methoxy-N-methylphenethylamineFamotidineLeishmaniasis, MucocutaneousAnti-Ulcer AgentsWinteraceae16,16-Dimethylprostaglandin E2Shock, SurgicalGefarnateImmersionCimetidinePhilodendronIndomethacinPoriaBile RefluxHexosaminesSucralfateStomachAmomumEthanolRestraint, PhysicalPregnenesGastric AcidSalviaCamelliaPylorusGastritisIntestinal MucosaRats, WistarGastrointestinal HemorrhageTolonium ChlorideLeishmania braziliensisDiterpenesPrecancerous ConditionsMucous MembraneAnti-Inflammatory Agents, Non-SteroidalPeroxidaseStomatitisThiobarbituric Acid Reactive SubstancesMalondialdehydeEndoscopyXanthine OxidaseAspirinCandidiasis, OralEndoscopy, GastrointestinalBiopsyTriazinesDiclofenacBone DiseasesGastroscopyLipid PeroxidationRegional Blood FlowRats, Sprague-DawleySulfhydryl CompoundsStress, PhysiologicalDisease Models, AnimalCytoprotectionPlant ExtractsRats, Inbred StrainsGlutathione PeroxidaseCeliac DiseaseHistamineSuperoxide DismutaseHelicobacter pylori