D. Deitch

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a Mutated ras genes (Ha-, Ki-and N-ras) have been found in a variety of human tumours (Barbacid, 1987). Although in some tumour types the incidence of mutations is relatively high (Bos, 1989), the practical value of these findings in cancer diagnosis and/or prognosis has not been established. Here we report the detection of a mutation of Ha-ras gene codon(More)
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