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