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Takayama, T., Niitsu, Y. In which step does the K-ras mutation occur in colorectal carcinogenesis?. J Gastroenterol 39, 596–597 (2004). https://doi.org/10.1007/s00535-004-1371-4
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DOI: https://doi.org/10.1007/s00535-004-1371-4