Objective To investigate night - time hypoxemia and change of sleep structure in the patients with overlap syndrome (OS).
目的探讨重叠综合征(OS)患者夜间缺氧和睡眠结构的变化。
Objective To investigate night - time hypoxemia and change of sleep structure in the patients with overlap syndrome (OS).
目的探讨重叠综合征(OS)患者夜间缺氧和睡眠结构的变化。
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