{HEAD ~ Complex tissues} of {TAIL ~ finite life span} will require cryopreservation to expand product availability and utility 
{ HEAD ~ Complex tissues } of { TAIL ~ finite life span } will require cryopreservation to expand product availability and utility
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH