WHO standard verbal autopsy questionnaires are recommended to improve the comparability of causes of death from systems without medical certification of deaths.

建议使用世卫组织的死因推断标准来改善那些没有医学死亡证明的系统的死亡原因的可比性。

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Methods: Combining with retrospective investigation, the relevant data were obtained from medical certification for residents' death reported by surveillance of all kinds of disease.

方法：“居民死亡医学证明书”，结合回顾性调查，获取相关数据。

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In that case, the accelerated death benefits (meaning they are paid out before death) are fully excludable from income so long as the insured has been certified by a physician as having an illness or physical condition that can reasonably be expected to result in death within 24 months from the date of the certification.

FORBES: Taxes From A To Z (2013): L Is For Life Insurance