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