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