Abstract
Transfusion of Donor erythrocytes is the main method of replacement therapy for anemia syndrome in hemablastoses. In such clinical cases, depending on the preservative used, a short shelf life, often containing erythrocyte, is poured into environments up to 42 days. However, in patients with a rare blood group, a rare blood group, in extreme or planned cases, in cases where there is no necessary erythrocyte environment, pre-prepared and frozen erythrocytes can be poured, the shelf life of which is calculated by months and years.
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