HistamineBlood PlateletsPlatelet AggregationReceptors, Histamine H1Histamine ReleaseReceptors, Histamine H2Receptors, HistamineHistamine AntagonistsHistamine AgonistsHistamine H1 AntagonistsReceptors, Histamine H3Platelet CountPlatelet AdhesivenessPlatelet Membrane GlycoproteinsHistamine H2 AntagonistsPlatelet Factor 4Histamine N-MethyltransferasePlatelet TransfusionPyrilaminePlatelet Activating FactorPlatelet Function TestsPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Glycoprotein GPIb-IX ComplexMethylhistaminesThrombinHistidine DecarboxylaseDimapritHistamine H3 AntagonistsHistamine AgentsCimetidineAdenosine DiphosphateChlorpheniramineAntigens, Human PlateletThrombocytopeniaMetiamideFibrinogenDiphenhydramineP-SelectinMegakaryocytesMast CellsBleeding TimeSerotoninp-Methoxy-N-methylphenethylaminevon Willebrand FactorThrombosisPlatelet Membrane Glycoprotein IIbBasophilsThromboxane A2Platelet Factor 3Guinea PigsAspirinDose-Response Relationship, DrugCollagenThioureaImpromidineAnaphylaxisHemostasisBlood CoagulationReceptors, Purinergic P2Y12Cytoplasmic GranulesPlatelet Storage Pool DeficiencyRistocetinBurimamideThrombastheniaThrombopoiesisPurpura, ThrombocytopenicHistamine H1 Antagonists, Non-SedatingRabbitsTime FactorsThromboxanesBronchial Provocation TestsProstaglandin Endoperoxides, SyntheticCrotalid VenomsCalcimycinEpinephrineEpoprostenolRanitidineImmunoglobulin EKineticsTriprolidineBlood Coagulation FactorsCromolyn SodiumThrombocytosisBlood ProteinsThrombopoietinCells, CulturedPlatelet-Rich PlasmaPruritusTerfenadineSRS-AAntibodies, MonoclonalArachidonic Acids15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidBlood Cell CountGastric MucosaFamotidineAmine Oxidase (Copper-Containing)Receptors, ThrombinLeukocytesBlood Preservation