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