{TAIL ~ The goal} of {HEAD ~ cryopreservation} is to preserve the structural integrity and viability of biological materials for an indefinite period of time so that these materials can be available and used as needed 
{ TAIL ~ The goal } of { HEAD ~ cryopreservation } is to preserve the structural integrity and viability of biological materials for an indefinite period of time so that these materials can be available and used as needed
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