Immunologic TestsPregnancy TestsImmunodiffusionSkin TestsAntibodiesEnzyme-Linked Immunosorbent AssayAntigensAntibody SpecificityAntibodies, ViralAntibodies, MonoclonalSensitivity and SpecificityAntigens, BacterialAntibodies, BacterialAntigens, NeoplasmAntigens, SurfaceAntibody FormationAntigens, ViralAntibodies, NeutralizingFluorescent Antibody TechniqueEpitopesAntibody AffinityAntigens, ProtozoanBinding Sites, AntibodyAntibodies, Anti-IdiotypicCross ReactionsAntibodies, ProtozoanHLA AntigensAntigens, CDAntigens, Polyomavirus TransformingAntigens, FungalHIV AntibodiesImmunoglobulin GMolecular Sequence DataMice, Inbred BALB CAntigens, HelminthAntigen-Antibody ReactionsImmunoglobulin MAntibodies, AntinuclearAntibodies, NeoplasmAutoantibodiesAmino Acid SequenceH-2 AntigensCarcinoembryonic AntigenImmune SeraAntibodies, Fungal