AntibodiesAntibodies, ViralEnzyme-Linked Immunosorbent AssayAntibodies, BacterialAntigensSensitivity and SpecificityAntibody SpecificityAntibodies, MonoclonalSerologic TestsAntigens, BacterialAntigens, CDImmunologic TestsAntigens, ViralImmunoglobulin GAntigens, HelminthAntigens, SurfaceAntigens, NeoplasmImmunoassayFluorescent Antibody TechniqueAntigens, CD8Antigens, CD3Immunoglobulin MAntibodies, HelminthAntibodies, ProtozoanHIV AntibodiesAntibodies, FungalAntibody FormationAntigens, CD34Reagent Kits, DiagnosticAntigens, CD38Molecular Sequence DataCross ReactionsImmunoenzyme TechniquesAntigens, FungalClinical Laboratory TechniquesAntigens, CD19Antigens, CD40Antigens, CD20Antibodies, NeutralizingCD40 LigandRadioimmunoprecipitation AssayParasitologyEpitopesAntigens, CD28Amino Acid SequenceAntigens, CD44Evaluation Studies as TopicAntigens, CD14Antigens, CD7AutoantibodiesAntigens, CD2Antibody AffinityAntigens, DifferentiationFluorescent Antibody Technique, IndirectAgglutination TestsCD4-Positive T-LymphocytesAntigens, CD5Recombinant ProteinsCD4-CD8 RatioT-LymphocytesFlow CytometryLatex Fixation TestsComplement Fixation TestsAntigens, Differentiation, T-LymphocyteAntigens, ProtozoanB-LymphocytesAntigens, CD1Antigens, Differentiation, MyelomonocyticPolymerase Chain ReactionBinding Sites, AntibodyAntigens, CD56Neutralization TestsAntibodies, Anti-IdiotypicAntigens, CD80ADP-ribosyl CyclaseVirologyImmunoglobulin AAntigens, CD53Antigens, CD24Reproducibility of ResultsBlotting, WesternCell LineAntigens, CD13HLA AntigensMice, Inbred BALB CAntigens, CD86Seroepidemiologic StudiesAntigens, CD95Base SequenceLymphocyte ActivationMembrane GlycoproteinsAntigens, Differentiation, B-LymphocyteAntigens, Polyomavirus TransformingImmunoblottingAntigen-Antibody ReactionsAntigens, CD45ImmunophenotypingFalse Positive ReactionsAntibodies, AntinuclearImmunohistochemistry