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