那些没有可靠死亡登记系统的国家需要从替代数据源得到国家伤害死亡率估值的分析方法。

Analytical methods that can derive national estimates of injury mortality from alternative data sources are needed for countries without reliable death registration systems.

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对于像世卫组织这样的卫生机构，民事登记系统是最为可靠的出生、死亡和死因统计数据来源。

For health agencies like WHO, civil registration systems are the most reliable source of statistics on births and deaths, and causes of death.

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这些研究发现提供了能用于调整登记系统中死亡数据的校正因子。

These findings provided correction factors that can be used for adjusting mortality data from the registration system.

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