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