Erythrocyte VolumeSpectrometry, GammaErythrocyte CountErythrocytesChromium IsotopesHematologic TestsBlood Cell CountErythrocyte IndicesHematocritCorchorusHemoglobinsBlood Chemical AnalysisPlatelet CountErythrocyte MembraneToxicity Tests, AcuteLeukocyte CountBlood CellsAnemia, Sickle CellPlant ExtractsErythrocyte Aging