USA 85:8998 9002) to generate {HEAD ~ cDNAs} by using PCR to amplify copies of the region between {TAIL ~ a single point} in the transcript and the 3′ or 5′ end 
USA 85:8998 9002 ) to generate { HEAD ~ cDNAs } by using PCR to amplify copies of the region between { TAIL ~ a single point } in the transcript and the 3′ or 5′ end
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH