By using the very same NMR system to monitor respiratory motion, {TAIL ~ the effects} of the motion on {HEAD ~ the NMR signals} used to reconstruct an image can be more accurately measured 
By using the very same NMR system to monitor respiratory motion , { TAIL ~ the effects } of the motion on { HEAD ~ the NMR signals } used to reconstruct an image can be more accurately measured
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH