ImmunoassayImmunoenzyme TechniquesReagent Kits, DiagnosticSensitivity and SpecificityEvaluation Studies as TopicFluorescence Polarization ImmunoassayEnzyme Multiplied Immunoassay TechniqueEnzyme-Linked Immunosorbent AssayCross ReactionsImmunoglobulin GFalse Positive ReactionsRadioimmunoassayImmunoglobulin MAntibodies, ViralFecesLatex Fixation TestsAutoanalysisAntibodies, MonoclonalAntibody SpecificitySerologic TestsAntigens, ViralAntibodies, BacterialFluoroimmunoassayMicrochemistryLuminescent MeasurementsFalse Negative ReactionsAntigens, FungalFluorescent Antibody TechniqueMannansChlamydia trachomatisRubella virusReproducibility of ResultsChlamydia InfectionsRotavirusAntigens, BacterialGastroenteritisHIV AntibodiesClostridium difficileSeroepidemiologic StudiesRotavirus InfectionsClinical Laboratory TechniquesIndicators and ReagentsFluorescent Antibody Technique, DirectSubstance Abuse DetectionQuality ControlPredictive Value of TestsRubellaReference ValuesAntibodiesHorseradish PeroxidasePolymerase Chain ReactionGas Chromatography-Mass SpectrometryDiagnostic ErrorsBlood DonorsComplement Fixation TestsHepatitis AntibodiesSpecimen HandlingImmune SeraMamastrovirusPhenytoinEnterocolitis, PseudomembranousImmunoglobulin AVirologyRespirovirus InfectionsNephelometry and TurbidimetryBiological MarkersColorimetryPregnanediolChromatography, High Pressure LiquidReference StandardsAvidinMedigoxinRheumatoid FactorRabbitsSalivaHemagglutination TestsUterine CervicitisClostridium InfectionsNasopharynxRadioimmunoprecipitation AssayUrethraPregnancyGiardiasisDigoxinCalibrationAntigen-Antibody ComplexHTLV-I AntibodiesNorwalk virusalpha-Fetoproteinsbeta-GalactosidaseHTLV-II AntibodiesHIV AntigensUrethritisHepatitis C AntibodiesGalactosidasesTime FactorsTreponema pallidumRespiratory Syncytial VirusesAgglutination TestsAntibodies, Fungal