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