In addition, {HEAD ~ a greater immune response}, as measured by {TAIL ~ antibody production}, is achieved using a controlled release vaccine 
as measured by
In addition , { HEAD ~ a greater immune response } , as measured by { TAIL ~ antibody production } , is achieved using a controlled release vaccine
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH