The primary end point was event-free survival (EFS).

主要终点为无病生存期（EFS）。

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Objective To investigate the relationship between immunophenotype and event-free survival (EFS) in children with acute lymphoblastic leukemia (ALL).

目的探讨儿童急性淋巴细胞白血病(all)免疫表型与无病生存期(EFS)的关系。

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The researchers found that median FGF-23 levels were significantly higher in those who died or reached end-stage renal disease than in those who remained event-free.

研究人员发现，那些死亡或进展到终末期肾病患者的FGF-23中位数水平显著高于那些无事件发生患者的FGF-23中位数水平。

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The upcoming wild card games, the Pro Bowl and the Super Bowl -- TV's most-watched annual event -- will be streamed for free to computers on NFL.com and NBCSports.com.

CNN: Mark Milian,

In fairness to the many passholders who complained of long lines and sold-out screenings, this year's event was not problem-free.

WSJ: History Spawns Peak Films at Telluride Film Festival | By Joe Morgenstern

Despite this optimism though, it has to be remembered that no-one - least of all race officials - can ever definitively say in India that the grand prix will be an animal-free event.

BBC: India F1: Buddh International Circuit 'dog proof'