To evaluate mortality and morbidity among internally displaced persons (IDPs) who relocated in a demographic surveillance system (DSS) area in western Kenya following post-election violence.

评估肯尼亚选举骚乱之后处于西部地区人口监测系统范围内的难民的死亡率和患病率。

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Obama would be the first major presidential candidate to drop out of the modern campaign financing system for the general election since its creation in 1976 in the post-Watergate era.

CNN: McCain attacks Obama for opting out of public financing

On Wednesday Mr Brown set out some of his intentions for constitutional reform - which included looking at whether Britain should change the first-past-the-post electoral system and reforming the House of Lords - both of which would be unlikely to change before next election.

BBC: Brown holds 'next steps' meeting

If that second election transpires, it looks increasingly likely to be held under the same first-past-the-post voting system that Westminster has always known.

ECONOMIST: Election results