The method 1, wherein {HEAD ~ any variability} within {TAIL ~ a delivered concentration} of the functional agent over the life of the shaped composition is not more than ± about 50% 
within
The method 1 , wherein { HEAD ~ any variability } within { TAIL ~ a delivered concentration } of the functional agent over the life of the shaped composition is not more than ± about 50 %
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH