Blind Loop SyndromeIntestine, SmallBreath TestsLactuloseIrritable Bowel SyndromeHydrogenGastrointestinal MotilityMethaneDelayed DiagnosisBacterial InfectionsPrenatal DiagnosisEarly DiagnosisManometryBacteriaSensitivity and SpecificityDiagnosisRetrospective StudiesDiagnostic ErrorsTomography, X-Ray ComputedBiopsyNursing DiagnosisDiagnosis, Computer-AssistedPredictive Value of TestsReproducibility of ResultsPreimplantation DiagnosisProspective StudiesPrognosisTime FactorsMagnetic Resonance ImagingFollow-Up StudiesTreatment OutcomeRisk FactorsInfant, NewbornPregnancyPolymerase Chain ReactionFatal OutcomeBiopsy, NeedleFetal DiseasesCohort StudiesIncidenceAge FactorsPrevalenceFalse Positive ReactionsUltrasonography, PrenatalBiological MarkersClinical Laboratory TechniquesAcute DiseaseCase-Control StudiesROC CurveFalse Negative ReactionsSeverity of Illness IndexEnzyme-Linked Immunosorbent AssaySyndromeUnited StatesUltrasonographyTumor Markers, BiologicalMolecular Diagnostic TechniquesBiopsy, Fine-NeedleBreast NeoplasmsPhysical ExaminationMicroscopyNeoplasmsReagent Kits, DiagnosticEvaluation Studies as TopicNeoplasm StagingGenetic TestingAge of OnsetRegistriesQuestionnairesComorbidityReferral and ConsultationMass ScreeningDiagnostic ImagingCross-Sectional StudiesAlgorithmsObserver VariationRecurrenceRisk AssessmentDisease ProgressionBronchoscopyRadiography, ThoracicCytodiagnosisImmunohistochemistrySurvival RateRare DiseasesParasitologyChronic DiseaseDiagnostic Tests, RoutineSurvival AnalysisEndosonographyLogistic ModelsAutopsyLung NeoplasmsImmunoassayDog DiseasesAge DistributionDiagnosis, OralSex FactorsInternational Classification of DiseasesImmunologic Tests