Objective: To investigate the effect of passive cigarette smoking on the placentas rats.

目的：检查被动吸烟对孕鼠胎盘的影响。

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The effect of chronic passive cigarette smoking on pulmonary hemo-dynamics and vasoreactivity was studied in SD rats.

本实验研究长期被动吸烟对SD大鼠肺血流动力学和肺血管反应性的影响。

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We aimed to evaluate the immediate effects of passive cigarette smoking on LV systolic and diastolic function in healthy volunteers.

本研究目的是评价二手烟对健康志愿者的左室收缩及舒张功能的急性效应。

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