{HEAD ~ The concentrations} are based on {TAIL ~ use} of Mediunm 199 liquid, Earles Balanced Salts and Hepes 
are based on
{ HEAD ~ The concentrations } are based on { TAIL ~ use } of Mediunm 199 liquid , Earles Balanced Salts and Hepes
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH