However, sham operated animals showed little increase in {HEAD ~ the expression} of {TAIL ~ RHAMM}  
However , sham operated animals showed little increase in { HEAD ~ the expression } of { TAIL ~ RHAMM }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH