Components of the Glutathione Cycle as Markers of Biological Age: An Approach to Clinical Application in Aging Reticulocyte count is a vital blood test that measures immature red blood cells to evaluate bone marrow function. Low or high levels can indicate anemia, blood loss, or bone marrow disorders. Early Rapid and effective protocol to measure glutathione peroxidase activity Bulletin of the National Research Centre Springer Nature Link Erythrocyte glutathione transferase: a general probe for chemical contaminations in mammals Cell Death Discovery Response of Human Red Blood Cells to Acute and Chronic Oxidant Challenge as Observed Through the Glutathione and Glutathionyl Hemoglobin Redox Pairs In Vitro and In Vivo