调查某儿科医院职工与几种慢性病发生有关的危险因素，进行健康危险度评估，以采取相应措施，提高健康水平。
To evaluate the risk of several chronic diseases of the employees in a children 's hospital and take corresponding measures to improve the health of employees.
分子生物标志物的应用有助于我们早期识别生物学效应和易感人群，从而有利于毒物危险度评估，同时可用于发病机理和防治效果研究。
Molecular biomarkers can be used in early detection of biological effect, susceptible population, risk assessment and research on mechanism, treatment and prevention in diseases.
目的以脑血管血流动力学综合评估指标，评估高血压患者卒中的相对危险度（RR）。
Objective To evaluate the relative risk(RR) of stroke in patients with hypertension using synthetic indexes of cerebrovascular hemodynamics.
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