This is a very important issue, given the very significant public health implications of tobacco control for reduction of chronic diseases in future.
鉴于烟草控制对今后减少慢性病极为显著的公共卫生影响,这是一个很重要的问题。
It concluded that the reduction of trace element in hair was associated with repetitive of chronic bronchitis.
提示头发中微量元素减少与慢性支气管炎易反复感染有一定的关系。
Objective To investigate the feasibility of lung volume reduction surgery (LVRS) for the treatment of chronic obstructive emphysema.
目的为了提高肺气肿患者生存质量,探讨肺减容手术治疗慢性阻塞性肺气肿的可行性。
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