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