Blood ViscosityViscosityHematocritErythrocyte AggregationHemodilutionHemorheologyExchange Transfusion, Whole BloodErythrocyte DeformabilityRheologyPolycythemiaIsoxsuprineFibrinogenErythrocyte CountCapillary ResistanceBlood Flow VelocityHemoglobinsPlasma SubstitutesBlood VolumeStress, MechanicalMicrocirculationErythrocyte TransfusionErythrocyte IndicesBlood PressureErythrocytesShear StrengthBlood Physiological PhenomenaErythrocytes, AbnormalOxygenCerebrovascular CirculationAnemia, Sickle CellHemostasisDehydrationRegional Blood FlowVascular ResistanceModels, CardiovascularBlood ProteinsPulsatile FlowHemodynamics