Mutational activation of c-Ha-ras genes
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Hirotsuka Sakai; Katsuhiro Ogawa
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Article
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1991
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John Wiley and Sons
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French
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## Abstract Although administration of a single dose of __N__βnitrosoβ__N__ methylurea (NMU) to young virgin rats induces a high rate of mammary carcinomas, precise histogenesis of the carcinomas has not been well characterized. In this study, we investigated the alterations of Hβ__ras__ gene in ea