{HEAD ~ This observation} is in {TAIL ~ conflict} with the prior art that taught that an increase in total TFA caused MFD 
is in
{ HEAD ~ This observation } is in { TAIL ~ conflict } with the prior art that taught that an increase in total TFA caused MFD
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH