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