Platelet TransfusionBlood TransfusionBlood PlateletsPlatelet CountThrombocytopeniaPlateletpheresisErythrocyte TransfusionPlatelet AggregationBlood Component TransfusionAntigens, Human PlateletThrombocytopenia, Neonatal AlloimmuneIsoantibodiesBlood Transfusion, IntrauterineBlood Transfusion, AutologousHemorrhageBlood Grouping and CrossmatchingPlatelet AdhesivenessBlood PreservationExchange Transfusion, Whole BloodPlatelet Membrane GlycoproteinsHematologyBlood Component RemovalBlood DonorsBlood Group IncompatibilityAnemia, AplasticPlatelet Factor 4ThrombopoietinFetofetal TransfusionAnemia, RefractoryHemostasisBlood Loss, SurgicalBleeding TimeThrombastheniaLeukemiaPlatelet Function TestsHLA AntigensPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Activating FactorThrombopoiesisInterleukin-11LeukapheresisMegakaryocytesPancytopeniaHematopoietic Stem Cell TransplantationABO Blood-Group SystemTime FactorsPlatelet Glycoprotein GPIb-IX ComplexThrombelastographyNeonatologyTreatment OutcomePurpura, Thrombocytopenic, IdiopathicGranulocyte Colony-Stimulating FactorRetrospective StudiesThrombinHistocompatibility TestingBone Marrow TransplantationSplenectomyLeukocyte TransfusionTransplantation, AutologousBlood BanksLeukemia, MyeloidAdenosine DiphosphateIsoantigensCyclophosphamideAcute DiseaseProspective StudiesMyelodysplastic SyndromesDisseminated Intravascular CoagulationRecombinant ProteinsImmunizationBone Marrow DiseasesFibrinogenInfant, NewbornAntineoplastic Combined Chemotherapy ProtocolsLeukocyte CountTransplantation, HomologousLymphoma, Non-HodgkinP-SelectinAnemiaAntigens, CD34HemoglobinsAnemia, NeonatalLeukemia, Myeloid, AcuteEtoposideErythroblastosis, FetalAntibodiesNeutropeniaThrombosisHematopoietic Stem Cell MobilizationGraft SurvivalLeukocytesHematopoiesisPostoperative Hemorrhagevon Willebrand FactorNeoplasmsHepatic Veno-Occlusive Disease