{TAIL ~ Products} generated by {HEAD ~ the 3′ and 5′ RACE procedures} can be combined to generate full length cDNAs (Frohman and Martin Techniques 1:165) 
{ TAIL ~ Products } generated by { HEAD ~ the 3′ and 5′ RACE procedures } can be combined to generate full length cDNAs ( Frohman and Martin Techniques 1:165 )
TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH