{HEAD ~ Said complexes} are particularly useful for {TAIL ~ delivery} of a biologically active agent to the glial tissue of the brain as well as to the cortical, cholinergic and adrenergic neurons 
are particularly useful for
{ HEAD ~ Said complexes } are particularly useful for { TAIL ~ delivery } of a biologically active agent to the glial tissue of the brain as well as to the cortical , cholinergic and adrenergic neurons
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL 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