{HEAD ~ The microencapsulated vaccine} results in {TAIL ~ a constant, pulsed release} of the vaccine into the animal and eliminates the need for repetitive injections 
results in
{ HEAD ~ The microencapsulated vaccine } results in { TAIL ~ a constant , pulsed release } of the vaccine into the animal and eliminates the need for repetitive injections
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH