Celiac DiseaseGlutensGliadinDiet, Gluten-FreeTriticumTransglutaminasesReticulinDermatitis HerpetiformisDuodenumImmunoglobulin AJejunumIntestinal MucosaHLA-DQ AntigensWheat HypersensitivityWheat Germ AgglutininsProlaminsIntestine, SmallBiopsyAutoantibodiesAvena sativaInterleukin-18 Receptor beta SubunitDiet TherapyFlourSecale cerealeBreadCerealsHLA-DR3 AntigenIgA DeficiencyHLA-DR7 AntigenAtrophyDiet, Protein-RestrictedPlant ProteinsMalabsorption SyndromesSerologic TestsLactuloseAntibodiesDuodenoscopyEndoscopy, GastrointestinalImmunoglobulin GAutoimmune DiseasesPrevalenceLymphoma, T-CellSteatorrheaDuodenitisCapsule EndoscopyJejunal NeoplasmsCase-Control StudiesHordeumJejunal DiseasesEnzyme-Linked Immunosorbent AssayIntestinal NeoplasmsEnteropathy-Associated T-Cell LymphomaEnteritisChromosomes, PlantEnterocytesIntestinal AbsorptionIntestinal DiseasesColitis, MicroscopicEndoscopy, Digestive System