Sensitivity and SpecificityDiagnostic Techniques and ProceduresMolecular Diagnostic TechniquesDiagnostic Techniques, RadioisotopeDiagnostic Techniques, OtologicalDiagnostic Techniques, SurgicalPolymerase Chain ReactionAzure StainsDiagnostic Tests, RoutineDiagnostic Techniques, UrologicalDiagnostic Techniques, Obstetrical and GynecologicalDiagnostic Techniques, Digestive SystemClinical Laboratory TechniquesReproducibility of ResultsDiagnostic Techniques, Respiratory SystemPredictive Value of TestsTomography, X-Ray ComputedCytodiagnosisBiopsyParasitologyBiopsy, NeedleDiagnostic Techniques, NeurologicalRetrospective StudiesRadionuclide ImagingUltrasonographyEvaluation Studies as TopicMagnetic Resonance ImagingBronchoscopyBiopsy, Fine-NeedleDiagnostic Techniques, EndocrineDiagnostic ErrorsMicroscopyBacteriological TechniquesProspective StudiesEnzyme-Linked Immunosorbent AssayDog DiseasesDelayed DiagnosisDiagnostic Techniques, CardiovascularFecesEarly DiagnosisPrenatal DiagnosisMycosesContrast MediaTime FactorsDiagnosisPrognosisBiological MarkersImmunoenzyme TechniquesRisk FactorsPrevalenceTreatment OutcomeDiagnostic ImagingInfant, NewbornIncidenceFollow-Up StudiesDNA, BacterialUnited StatesDNA PrimersImage Processing, Computer-AssistedReagent Kits, DiagnosticFluorescent Antibody TechniqueDisease OutbreaksImmunohistochemistryDogsMolecular Sequence DataROC CurveDiagnosis, Computer-AssistedDiagnostic Techniques, OphthalmologicalDiagnostic and Statistical Manual of Mental DisordersNursing DiagnosisFalse Positive ReactionsDiagnostic ServicesFalse Negative ReactionsPregnancyTumor Markers, BiologicalCohort StudiesSeverity of Illness IndexPreimplantation DiagnosisObserver VariationCase-Control StudiesFatal OutcomeAcute DiseaseAge FactorsPhysical ExaminationAlgorithmsImmunoassayFetal DiseasesSyndromeMass ScreeningBreast NeoplasmsQuestionnairesCross-Sectional StudiesGenetic TestingSpecimen HandlingUltrasonography, PrenatalRadiography, ThoracicNeoplasmsImmunologic TestsReferral and ConsultationEndosonography