Platelet CountBlood PlateletsPlatelet AggregationThrombocytopeniaPlatelet AdhesivenessPlatelet TransfusionPlatelet Membrane GlycoproteinsPlatelet Factor 4Blood Cell CountThrombocytosisLeukocyte CountMegakaryocytesPurpura, Thrombocytopenic, IdiopathicPlatelet Function TestsPlatelet Glycoprotein GPIIb-IIIa ComplexThrombinPlatelet Glycoprotein GPIb-IX ComplexThrombopoietinAdenosine DiphosphateBleeding TimePlatelet Activating FactorFibrinogenThrombopoiesisSerotoninPurpura, ThrombocytopenicCD4 Lymphocyte CountAntigens, Human PlateletPlatelet ActivationHemostasisBlood CoagulationThrombosisMicrochemistryBlood Platelet DisordersP-SelectinSplenectomyvon Willebrand FactorTime FactorsRabbitsbeta-ThromboglobulinAspirinErythrocyte CountBlood Coagulation DisordersReceptors, ThrombopoietinDisseminated Intravascular CoagulationThromboxane A2CollagenThrombocythemia, EssentialHemorrhageHELLP SyndromeProthrombin TimePlatelet Membrane Glycoprotein IIbBlood PreservationHypersplenismHematologic TestsBlood Coagulation TestsKineticsHeparinDose-Response Relationship, DrugHematocritCell CountCytoplasmic GranulesPlateletpheresisPartial Thromboplastin TimeAdenine NucleotidesHematopoiesisPlatelet Factor 3Prostanoic Acids