Thrombocythemia, EssentialPolycythemia VeraThrombocytosisJanus Kinase 2Myeloproliferative DisordersPrimary MyelofibrosisReceptors, ThrombopoietinPlatelet CountThrombopoietinThrombosisCarbazilquinoneMegakaryocytesHydroxyureaPipobromanMutation, MissenseGranulocytesLeukocytosisThrombopoiesisMutationPolycythemiaSplenomegalyErythrocyte InclusionsAnemia, RefractoryBlood PlateletsAmino Acid SubstitutionJanus Kinase 3ThrombophiliaCoagulantsLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeBone MarrowPregnancy Complications, HematologicProtein-Tyrosine KinasesHemorrhagePlatelet Aggregation InhibitorsJanus Kinase 1World Health OrganizationReceptors, CytokineGPI-Linked ProteinsProto-Oncogene ProteinsJanus KinasesThrombocytopeniaHemangioma, CavernousQuinazolinesPoint MutationIsoantigensHomozygote