It also provides for {HEAD ~ a new method} of extracting {TAIL ~ the buffy coat phase} from a whole blood sample 
of extracting
It also provides for { HEAD ~ a new method } of extracting { TAIL ~ the buffy coat phase } from a whole blood sample
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH