Anemia, Sickle CellSickle Cell TraitHemoglobin, SickleErythrocytes, AbnormalAntisickling AgentsHemoglobin SC DiseaseFetal HemoglobinHydroxyureaThalassemiabeta-ThalassemiaHemoglobinopathiesJamaicaErythrocytesAcute Chest SyndromeHemoglobinsHemoglobin C Diseasealpha-ThalassemiaHemoglobin AHemolysisExchange Transfusion, Whole BloodInfant, NewbornBlood TransfusionLeg UlcerErythrocyte DeformabilityHemoglobin CHemoglobins, AbnormalGlobinsSplenic InfarctionPainErythrocyte CountVascular DiseasesErythrocyte AgingErythrocyte MembraneErythrocyte IndicesNeonatal ScreeningBlood ViscosityReticulocytesHomozygoteErythrocyte TransfusionOxyhemoglobinsErythrocyte AggregationOxygengamma-GlobinsNigeriabeta-GlobinsPregnancyHematocritHemorheologyDimethyl AdipimidateLutheran Blood-Group SystemKidney Papillary NecrosisShaken Baby SyndromeSplenic DiseasesPregnancy Complications, HematologicPriapismRetinal DiseasesHyphema2,3-DiphosphoglycerateIron OverloadErythrocyte InclusionsHypertension, PulmonaryMediterranean IslandsPremarital ExaminationsInfant, Newborn, DiseasesHemoglobin A2EnuresisAnemia, HemolyticTricuspid Valve Insufficiency