Platelet Aggregation InhibitorsPlatelet AggregationCrotalid VenomsSalivary Proteins and PeptidesDisintegrinsSalivary GlandsBlood PlateletsMolecular Sequence DataAmino Acid SequenceCongo RedPlatelet AdhesivenessPlatelet CountAmyloid beta-PeptidesPlatelet Membrane GlycoproteinsAdenosine DiphosphatePeptide FragmentsSmall Molecule LibrariesPlatelet Function TestsPlatelet Glycoprotein GPIIb-IIIa ComplexBleeding TimePeptidesThrombinCell AggregationFibrinogenThromboxane A2Platelet ActivationPlatelet Factor 4Platelet Activating FactorPlatelet Glycoprotein GPIb-IX ComplexCollagenAspirinThrombosisReceptors, Purinergic P2Y12Thromboxane B2Platelet TransfusionRistocetinApyraseProtein Bindingvon Willebrand FactorP-SelectinBlood CoagulationSerotoninDose-Response Relationship, DrugSignal TransductionCell Adhesion MoleculesEpoprostenolThromboxanesKineticsEnzyme InhibitorsBlood Platelet DisordersThrombocytopeniaAntibodies, MonoclonalAntigens, Human Platelet15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidHemostasisErythrocyte AggregationEpinephrineProstaglandin Endoperoxides, SyntheticThrombastheniaTiclopidinePlatelet Factor 3Cell Line, TumorPlatelet Membrane Glycoprotein IIbImmunoglobulin Fab FragmentsRabbitsStructure-Activity RelationshipMolecular StructureModels, MolecularDrug Evaluation, PreclinicalBinding SitesPhosphorylationHigh-Throughput Screening AssaysMegakaryocytesProtein Kinase InhibitorsTime FactorsReceptors, ThromboxaneArachidonic AcidOligopeptidesHydrazinesRecombinant ProteinsCalciumCells, CulturedCell AdhesionCell LineInhibitory Concentration 50Flow CytometryArachidonic AcidsReceptors, ThrombinBlood Coagulation FactorsHemorheologyReceptors, Thromboxane A2, Prostaglandin H2Protein ConformationReceptors, Purinergic P2Y1Blood Coagulation TestsProtein Structure, TertiaryPurinergic P2Y Receptor AntagonistsCell MembraneIndolesHeparinThiazoles