{TAIL ~ Cryopreservation} of {HEAD ~ harvested skin} and cultured skin or cornea equivalents by slow freezing 
{ TAIL ~ Cryopreservation } of { HEAD ~ harvested skin } and cultured skin or cornea equivalents by slow freezing
TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH