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Objective This study aimed to explore the expression and significance of transforming growth factor β1(TGF-β1), extracellular signal-regulated kinases 1/2 (ERK1/2), and K-ras in colorectal cancer (CRC) using tissue microarray technology. Methods The expressions of TGF-β1, ERK1/2, and K-ras in colon cancer cells taken from the specimens of 92 CRC patients (stage I: 16 cases, stage II: 28 cases, stage...
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