目的评价脉搏传导时间（PTT）对睡眠呼吸暂停和微觉醒的诊断价值。
Objective To study the value of pulse transit time(PTT) on the diagnosis of sleep respiratory events and microarousals.
目的评价脉搏传导时间（PTT）对睡眠呼吸暂停和微觉醒的诊断价值。
Objective To study the value of pulse transit time(PTT) on the diagnosis of sleep respiratory events and microarousals.
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