The time release patch 2, wherein {TAIL ~ said preservative} is a bacteriocidal agent or {HEAD ~ bacteriostatic agent} 
The time release patch 2 , wherein { TAIL ~ said preservative } is a bacteriocidal agent or { HEAD ~ bacteriostatic agent }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD