Entrapped in the liposomes is {TAIL ~ the topoisomerase inhibitor} at a concentration of {HEAD ~ at least about 0.10 μmole drug} per μmole lipid 
Entrapped in the liposomes is { TAIL ~ the topoisomerase inhibitor } at a concentration of { HEAD ~ at least about 0.10 μmole drug } per μmole lipid
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH