What is the appropriate distance from the teeth to the tip of an endotracheal tube? From the nares to the tip for a nasal intubation.
牙齿到气管导管头端的核实距离为多少？鼻插管时鼻孔到导管尖端的距离有多少？
What is the appropriate distance from the teeth to the tip of an endotracheal tube? From the nares to the tip for a nasal intubation.
牙齿到气管导管头端的核实距离为多少？鼻插管时鼻孔到导管尖端的距离有多少？
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