Body iron stores in blood donors were assessed using front-face fluorometric assays of erythrocyte protoporphyrin/heme ratios. Comparison was made with hemoglobin levels and serum ferritin assays. Erythrocyte protoporphyrin/heme assays provide quick and reliable information about possible underlying iron deficiency in the absence of anemia, particularly in regular blood donors.
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Raftos et al. (1983) studied this question.
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