This provide {HEAD ~ quantitative data} to support {TAIL ~ qualitative assessments} of tissue contrast behavior in each of the images which acts as a basis for color coding 
This provide { HEAD ~ quantitative data } to support { TAIL ~ qualitative assessments } of tissue contrast behavior in each of the images which acts as a basis for color coding
OTH OTH 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