Finally, the invention provides {HEAD ~ a method} of separating {TAIL ~ a selected nucleic acid} from other nucleic acids 
of separating
Finally , the invention provides { HEAD ~ a method } of separating { TAIL ~ a selected nucleic acid } from other nucleic acids
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH