Celiac DiseaseGlutensGliadinDiet, Gluten-FreeTransglutaminasesReticulinDermatitis HerpetiformisDuodenumImmunoglobulin AJejunumIntestinal MucosaHLA-DQ AntigensBiopsyIntestine, SmallAutoantibodiesProlaminsAvena sativaInterleukin-18 Receptor beta SubunitPregnancy in AdolescenceDiet TherapyHLA-DR3 AntigenIgA DeficiencyHLA-DR7 AntigenAtrophyMalabsorption SyndromesDiet, Protein-RestrictedWheat HypersensitivitySerologic TestsLactuloseAdolescent BehaviorDuodenoscopyPrevalenceEndoscopy, GastrointestinalAntibodiesImmunoglobulin GAutoimmune DiseasesLicensureCase-Control StudiesLymphoma, T-CellSteatorrheaDuodenitisCapsule EndoscopyJejunal NeoplasmsJejunal DiseasesIntestinal NeoplasmsAutomobile DrivingEnteropathy-Associated T-Cell LymphomaEnteritisEnzyme-Linked Immunosorbent AssayEnterocytesIntestinal DiseasesBirth RateColitis, MicroscopicEndoscopy, Digestive System