Antigen-Antibody ReactionsFluorescent Antibody TechniqueAntibodiesCarcinoembryonic AntigenAntibodies, MonoclonalAntigen-Antibody ComplexAntigensComplement ActivationComplement C3HLA AntigensAntibodies, ViralComplement System ProteinsAntibody SpecificityImmunoglobulin GIsoantibodiesAntigens, ViralComplement C4Antigens, BacterialAntibodies, BacterialImmunoglobulin Fab FragmentsImmunoglobulin FragmentsHepatitis B AntibodiesAntigens, SurfaceAntigens, NeoplasmAntibody FormationComplement C5Receptors, ComplementHepatitis B Surface AntigensComplement C1qComplement C3bEnzyme-Linked Immunosorbent AssayComplement Pathway, AlternativeAntibodies, NeutralizingComplement C9Complement Pathway, ClassicalComplement Membrane Attack ComplexComplement Inactivator ProteinsComplement Fixation TestsComplement C2Complement Factor BEpitopesAntibody AffinityComplement Factor HComplement Inactivating AgentsComplement C3aTime FactorsReceptors, Complement 3bComplement C5aBinding Sites, AntibodyComplement C6Complement C1Cross ReactionsAntibodies, Anti-IdiotypicAntigens, ProtozoanMolecular Sequence DataComplement C4bComplement Activating EnzymesComplement C3dImmunoglobulin MAntigens, CDAntibodies, ProtozoanAmino Acid SequenceComplement C3-C5 ConvertasesMice, Inbred BALB CAntigens, FungalComplement C7HIV AntibodiesAntigens, Polyomavirus TransformingComplement C8Complement C3cAntibodies, AntinuclearAutoantibodiesAntigens, HelminthReceptors, Complement 3dAntibodies, NeoplasmComplement Hemolytic Activity AssayH-2 AntigensRabbitsT-LymphocytesCell LineAntibodies, FungalNeutralization TestsImmunizationImmune SeraComplement C3b Inactivator ProteinsComplement C4aComplement Factor DHistocompatibility AntigensAntigens, Viral, TumorImmunoenzyme TechniquesAntigens, CD55HLA-DR AntigensB-LymphocytesComplement Factor IComplement C4b-Binding ProteinBase SequenceReceptors, Antigen, T-CellRecombinant ProteinsAntigens, CD59Complement C1s