The system of the present invention constitutes an improvement in the implementation of what is described in {HEAD ~ the referenced Parent Case} as a less preferred practice or {TAIL ~ embodiment} 
as
The system of the present invention constitutes an improvement in the implementation of what is described in { HEAD ~ the referenced Parent Case } as a less preferred practice or { TAIL ~ embodiment }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL