{HEAD ~ The composition} 23, wherein {TAIL ~ the liposomes} include a polyanionic polymer within the liposomes 
wherein
{ HEAD ~ The composition } 23 , wherein { TAIL ~ the liposomes } include a polyanionic polymer within the liposomes
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH