SplenomegalyAnemiaAnemia, HemolyticAnemia, AplasticFanconi AnemiaAnemia, Hemolytic, AutoimmuneSplenectomyHepatomegalyAnemia, HypochromicAnemia, MacrocyticAnemia, PerniciousPrimary MyelofibrosisAnemia, Sickle CellSpleenAnemia, SideroblasticHemoglobinsSplenic NeoplasmsAnemia, MegaloblasticHypersplenismInfectious Anemia Virus, EquineAnemia, RefractoryErythropoietinAnemia, Hemolytic, CongenitalLymphatic DiseasesSplenic DiseasesEquine Infectious AnemiaBone MarrowErythropoiesisThrombocytopeniaChicken anemia virusAnemia, Dyserythropoietic, CongenitalMurine Acquired Immunodeficiency SyndromePallorIronAnemia, Diamond-BlackfanFanconi Anemia Complementation Group ProteinsPancytopeniaHematocritErythrocyte CountMyeloproliferative DisordersReticulocyte CountMalariaPregnancy Complications, HematologicAnemia, NeonatalBlood Cell CountErythrocytesTropical MedicineThrombocytosisHematopoiesis, ExtramedullaryLeukemia, ProlymphocyticHematinicsHypertension, PortalAnemia, Refractory, with Excess of BlastsSkin Diseases, EczematousLeukemia, ExperimentalLeukocytosisFanconi Anemia Complementation Group C Proteinbeta-ThalassemiaBlood TransfusionFriend murine leukemia virusFanconi Anemia Complementation Group D2 ProteinHematologic DiseasesFanconi Anemia Complementation Group A ProteinErythrocytes, AbnormalMice, Inbred C57BLLymphoproliferative DisordersAutoimmune Lymphoproliferative SyndromeLymphohistiocytosis, HemophagocyticLymphocytosisProguanilPolycythemia VeraSplenic VeinLeukemia, Hairy CellParasitemiaBone Marrow ExaminationJanus Kinase 2Histiocytic SarcomaAnemia, Hemolytic, Congenital NonspherocyticPlatelet CountOrgan SizeGraft vs Host ReactionFerritinsErythrocyte IndicesRetrospective StudiesGaucher DiseaseHypergammaglobulinemiaHemoglobinometryLeukocyte CountTreatment OutcomeErythroblastsLeishmaniasis, VisceralThalassemiaFatal OutcomeSyndromeGammaherpesvirinaeReticulinAutoimmune DiseasesB-LymphocytesOsmotic FragilityTherapies, Investigational