Antiphospholipid SyndromeAntibodies, AntiphospholipidAntibodies, Anticardiolipinbeta 2-Glycoprotein ILupus Coagulation InhibitorAntibodiesHemorrhageCerebral HemorrhageSubarachnoid HemorrhageAntibody SpecificityThrombosisCardiolipinsLupus Erythematosus, SystemicAntibodies, MonoclonalAntibodies, ViralIntracranial HemorrhagesCatastrophic IllnessAntibodies, BacterialAutoantibodiesAbortion, HabitualRetinal HemorrhageImmunoglobulin GThrombophiliaAntibody FormationAntibodies, NeutralizingAnticoagulantsSneddon SyndromeGlycoproteinsImmunoglobulin MAntibody AffinityPostpartum HemorrhageBinding Sites, AntibodyPregnancyPregnancy Complications, HematologicAntibodies, AntinuclearGastrointestinal HemorrhagePregnancy ComplicationsFluorescent Antibody TechniqueVitreous HemorrhageEye HemorrhageEpitopesWarfarinHydroxychloroquineAntibodies, Anti-IdiotypicPartial Thromboplastin TimeSkin Diseases, VascularEnzyme-Linked Immunosorbent AssayCross ReactionsAbortion, SpontaneousProthrombinVenous ThrombosisHIV AntibodiesAntibodies, NeoplasmAntibodies, ProtozoanPhospholipidsLupus Vasculitis, Central Nervous SystemPulmonary EmbolismFetal DeathThrombocytopeniaBasal Ganglia HemorrhageAntigen-Antibody ReactionsTomography, X-Ray ComputedAutoimmune DiseasesVasospasm, IntracranialBlood Coagulation FactorsIntracranial Hemorrhage, HypertensivePlasmapheresisPanniculitis, Lupus ErythematosusThromboplastinRisk FactorsAspirinMice, Inbred BALB CImmunoglobulin Fab FragmentsPostoperative HemorrhageHematomaAnnexin A5Retrospective StudiesMolecular Sequence DataCerebral AngiographyAntibodies, FungalProspective StudiesImmunoglobulin ATreatment OutcomeAnnexin A2Time FactorsNeutralization TestsActivated Protein C ResistanceMeningismFatal OutcomeAmino Acid SequenceHeparin, Low-Molecular-WeightAnetodermaThromboembolismBlood CoagulationCerebrovascular DisordersAntibodies, BispecificPhosphatidylserinesHeparinThrombophlebitisIntracranial Aneurysm