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Loss of integrity of umbilical cord blood unit freezing bags: description and consequences

BACKGROUND: Umbilical cord blood (UCB) is now a commonly used resource for hematopoietic stem cell (HSC) transplantation; great effort has been put forth in standardizing protocols for processing, storage, and testing of UCB units. Because UCB units are selected on an individual basis to maximize the chance of engraftment, loss of container integrity may have adverse effects on patient outcome.