More particularly, {HEAD ~ the invention} is directed to an implantable delivery system for the prolonged delivery of an active agent to {TAIL ~ a fluid environment} in a natural or artificial body cavity 
More particularly , { HEAD ~ the invention } is directed to an implantable delivery system for the prolonged delivery of an active agent to { TAIL ~ a fluid environment } in a natural or artificial body cavity
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH