HematocritHemoglobinsHemoglobin AHemoglobins, AbnormalFetal HemoglobinHemoglobin, SickleHemoglobin CAnemiaOxyhemoglobinsHemoglobin A, GlycosylatedHemodilutionHemoglobin EErythropoietinHemoglobin A2Erythrocyte CountHemoglobinometryBlood ViscosityMethemoglobinErythrocytesOxygenTruncated HemoglobinsPolycythemiaPlasma VolumeBlood SubstitutesHemoglobinopathiesIronCarboxyhemoglobinErythrocyte IndicesAnemia, Sickle CellExchange Transfusion, Whole BloodErythrocyte VolumeDiphosphoglyceric AcidsHemoglobin C DiseaseHematologic TestsHemoglobin J2,3-DiphosphoglycerateHemoglobin HBlood VolumeErythropoiesisReticulocyte CountAnemia, Iron-DeficiencyBlood Cell CountBloodlettingHematinicsErythrocyte TransfusionGlobinsAnemia, HypochromicFerritinsHemeThalassemiaCarbon MonoxideBlood TransfusionBlood Chemical AnalysisPlasma SubstitutesRenal Dialysisbeta-ThalassemiaErythrocyte AggregationHemoglobin SC DiseaseKidney Failure, ChronicTime FactorsHemolysisBlood ProteinsErythrocytes, AbnormalPhytic AcidPhlebotomyAltitudeHaptoglobinsBlood PressureErythrocyte DeformabilityBlood Protein ElectrophoresisSerum AlbuminPregnancy Complications, HematologicHydrogen-Ion ConcentrationSickle Cell TraitHeinz BodiesBlood GlucoseBlood Volume DeterminationAnemia, NeonatalHemoglobin MPartial PressureAntisickling AgentsReticulocytesalpha-ThalassemiaHemorheologyRecombinant ProteinsAnemia, Hemolyticalpha-GlobinsPlatelet CountBlood Transfusion, AutologousMyoglobinReference Valuesbeta-GlobinsProspective StudiesIron IsotopesHemoglobinuriaOxygen ConsumptionIsotonic SolutionsKineticsBody WeightBlood Loss, Surgical