In which step does the K-ras mutation occur in colorectal carcinogenesis?
Takayama
Tetsuji
T
Niitsu
Yoshiro
Y
D000230:Adenocarcinoma / Q000235:genetics*; D015179:Colorectal Neoplasms / Q000235:genetics*; D011905:Genes, ras / Q000235:genetics*; D018740:Genetic Heterogeneity; D006801:Humans; D017354:Point Mutation