The invention is directed to a device for delivering {HEAD ~ an active agent formulation} for {TAIL ~ a predetermined administration period} 
for
The invention is directed to a device for delivering { HEAD ~ an active agent formulation } for { TAIL ~ a predetermined administration period }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL