ImmunoassayAutoanalysisImmunoenzyme TechniquesFluorescence Polarization ImmunoassayEnzyme Multiplied Immunoassay TechniqueEconomic CompetitionHealth Care SectorSensitivity and SpecificityReagent Kits, DiagnosticCommerceMarketingEnzyme-Linked Immunosorbent AssayMarketing of Health ServicesEvaluation Studies as TopicNephelometry and TurbidimetryInvestmentsFluoroimmunoassayCross ReactionsCentrifugationQuality ControlRadioimmunoassayLuminescent MeasurementsReproducibility of ResultsFalse Positive ReactionsImmunoglobulin GSubstance Abuse DetectionBlood Chemical AnalysisChemistry, ClinicalReference StandardsCalibrationAntibodies, ViralIndicators and ReagentsAntibodies, MonoclonalDrug IndustryHealth Facility MergerReference ValuesUnited StatesAntitrust LawsEuropiumFalse Negative ReactionsGas Chromatography-Mass SpectrometryPoint-of-Care SystemsAntibody SpecificityImmunoglobulin MInsurance PoolsMicrochemistryTime FactorsDigoxinAntibodies, ImmobilizedLatex Fixation TestsChromatography, High Pressure LiquidClinical Laboratory TechniquesInsurance Selection BiasHealth Care ReformHematologyColorimetryBiological MarkersAutomationAntibodiesFecesVaccines, DNAAntibodies, BacterialFinancial ManagementPatents as TopicEconomics, HospitalMicrospheresPhenytoinPhotometrySerologic TestsLegislation, DrugTax ExemptionFluorescent Antibody TechniqueAntigens, ViralManaged CompetitionMethodsTobacco IndustryModels, EconomicHealth Benefit Plans, EmployeeCost ControlBlood Specimen CollectionPrivatizationModels, EconometricCatchment Area (Health)Health Maintenance OrganizationsOwnershipAntigens, BacterialGovernment RegulationFood AssistanceLatexHIV Antibodies