It is a further object to design a medium {HEAD ~ having nutrients} at {TAIL ~ levels} which are suitable for high cell densities, but which are not inhibitory for low density culture 
It is a further object to design a medium { HEAD ~ having nutrients } at { TAIL ~ levels } which are suitable for high cell densities , but which are not inhibitory for low density culture
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH