The present invention provides a device for {TAIL ~ the delivery} of an active agent to a fluid environment of use in which {HEAD ~ the active agent} must be protected from the fluid environment until it is delivered 
The present invention provides a device for { TAIL ~ the delivery } of an active agent to a fluid environment of use in which { HEAD ~ the active agent } must be protected from the fluid environment until it is delivered
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH