4) Providing {HEAD ~ improvements} in {TAIL ~ both intra and interlaboratory consistency} and standardization 
in
4 ) Providing { HEAD ~ improvements } in { TAIL ~ both intra and interlaboratory consistency } and standardization
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH