Methods The expression of CK20 and CEA were detected in 647 lymph nodes histologically node-negative in 118 patients after radical operation of colorectal carcinoma.

方法118例大肠癌根治术后647枚淋巴结常规检查阴性的标本进行CK20和CEA的检测。

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Methods 66 cases used multi-catheters negative pressure drainage were compared with 66 cases used mono-catheters negative pressure drainage in radical mastectomy.

方法将66例乳腺癌患者根治术后采用多管负压引流，并与66例乳腺癌根治术后单管引流患者进行对比性研究。

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There's been more "noise" in recent debates about the Bank of England's policy, with all the talk about nominal income targeting, negative interest rates, and other radical steps.

BBC: On markets and helicopters

She said she was transformed from a "radical feminist" after she saw the negative impact abortion had on some of her friends.

WSJ: Stem-Cell Plaintiffs Cite Ethical Motivation