Antibodies, AnticardiolipinLupus Coagulation InhibitorAntiphospholipid SyndromeAntibodies, AntiphospholipidCardiolipinsbeta 2-Glycoprotein ILupus Erythematosus, SystemicAnticoagulantsAutoantibodiesBlood Coagulation FactorsThrombosisAbortion, HabitualAntibodiesImmunoglobulin GThrombophiliaPartial Thromboplastin TimeImmunoglobulin MBlood Coagulation TestsProthrombinAntibody SpecificityActivated Protein C ResistanceAntibodies, AntinuclearGlycoproteinsAntibodies, MonoclonalEnzyme-Linked Immunosorbent AssayPregnancy Complications, HematologicAntibodies, ViralProtein CVenous ThrombosisProtein S DeficiencyPregnancyLupus NephritisAbortion, SpontaneousPhospholipidsProthrombin TimeAntibodies, BacterialPregnancy ComplicationsImmunoglobulin IsotypesLupus Vasculitis, Central Nervous SystemFetal DeathAutoimmune DiseasesAntibody FormationThrombocytopeniaWarfarinBlood CoagulationAntibodies, NeutralizingBlood Coagulation DisordersThromboembolismProspective StudiesRisk FactorsAntibody AffinityFactor VLeg UlcerThrombophlebitisCalciphylaxisImmunoglobulin ABinding Sites, AntibodyCerebrovascular DisordersPulmonary EmbolismPrednisoloneBiological MarkersFluorescent Antibody TechniqueCase-Control StudiesCatastrophic IllnessEpitopesPhosphatidylserinesAntibodies, Anti-IdiotypicProtein SPregnancy OutcomeCross ReactionsRetrospective StudiesRecurrenceMice, Inbred BALB CThromboplastinHIV AntibodiesHeparinCerebral InfarctionImmunoglobulin IdiotypesAntibodies, NeoplasmAspirinAntibodies, ProtozoanImmunizationFollow-Up StudiesImmunization, PassiveSneddon SyndromeAntigen-Antibody ComplexSyndromeCohort StudiesFactor XHeparin, Low-Molecular-WeightAntithrombinsAntigen-Antibody Reactions