Platelet TransfusionBlood TransfusionErythrocyte TransfusionBlood PlateletsPlatelet CountThrombocytopeniaPlateletpheresisBlood Component TransfusionPlatelet AggregationBlood Transfusion, AutologousExchange Transfusion, Whole BloodBlood Transfusion, IntrauterineSteroidsIsoantibodiesAntigens, Human PlateletThrombocytopenia, Neonatal AlloimmuneBlood Grouping and CrossmatchingBlood PreservationHemorrhageFetofetal TransfusionPlatelet AdhesivenessPlatelet Membrane GlycoproteinsBlood DonorsHematologyBlood Group IncompatibilityBlood Loss, SurgicalBlood Component RemovalAnemia, AplasticLeukocyte TransfusionAnemia, RefractoryBlood BanksThrombopoietinHemostasisPlatelet Factor 4Treatment OutcomeBleeding TimeABO Blood-Group SystemThrombastheniaHLA AntigensRetrospective StudiesLeukemiaTime FactorsThrombelastographyLeukapheresisPlatelet Function TestsHematopoietic Stem Cell TransplantationPancytopeniaPlatelet Glycoprotein GPIIb-IIIa ComplexAnemiaThrombopoiesisAnemia, NeonatalInterleukin-11Platelet Activating FactorMegakaryocytesHemoglobinsErythroblastosis, FetalNeonatologyPlatelet Glycoprotein GPIb-IX ComplexGranulocyte Colony-Stimulating FactorPostoperative HemorrhagePurpura, Thrombocytopenic, IdiopathicHistocompatibility TestingOperative Blood SalvageProspective StudiesSplenectomyBone Marrow TransplantationThrombinInfant, NewbornIsoantigensAcute DiseaseTransplantation, AutologousMyelodysplastic SyndromesAntifibrinolytic AgentsRecombinant ProteinsGonadal Steroid HormonesLeukemia, MyeloidTranexamic AcidReceptors, SteroidCyclophosphamideBlood SubstitutesBlood SafetyIntraoperative CareDisseminated Intravascular CoagulationAdenosine DiphosphateTransplantation, HomologousFetomaternal TransfusionImmunizationLeukocyte CountRh IsoimmunizationPlasmaBone Marrow DiseasesLeukocyte Reduction ProceduresFibrinogenAnemia, Sickle CellGraft SurvivalBlood Coagulation DisordersAntineoplastic Combined Chemotherapy ProtocolsFetoscopyRisk FactorsLymphoma, Non-Hodgkin