{TAIL ~ A DNA fragment distinct} from the epidermal growth factor receptor and erbB 2 genes was detected by {HEAD ~ reduced stringency hybridization} of v erbB to normal genomic human DNA 
{ TAIL ~ A DNA fragment distinct } from the epidermal growth factor receptor and erbB 2 genes was detected by { HEAD ~ reduced stringency hybridization } of v erbB to normal genomic human DNA
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