Receiver operating characteristic curve (ROC) was used to evaluate the cutoff value of S-CEA level as a predicting factor for the prognosis of CRC.

应用ROC曲线探讨CEA作为结直肠术后复发的预测指标的意义及最佳临界值的划分。

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Jay-Z's sports agency Roc Nation signed Diggins in April and gave her a new white Mercedes when she graduated from Notre Dame several weeks ago.

WSJ: Diggins and Shock off to slow start

Jay-Z's sports agency Roc Nation signed Diggins in April and gave her a new white Mercedes when she graduated from Notre Dame a few weeks ago.

WSJ: Pondexter lifts Liberty over Shock in OT

She's not a big fan of Roc -- she prefers her men balanced, with a feminine side.

CNN: Virtual reality: Avatar inspires gamer to hit the gym