If there is {HEAD ~ a variation} in {TAIL ~ the measured resistance} in the inflow system at the same pressure by this method, this is emerging from expansion of the body cavity 
in
If there is { HEAD ~ a variation } in { TAIL ~ the measured resistance } in the inflow system at the same pressure by this method , this is emerging from expansion of the body cavity
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL 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