1Sugiyama K,Yokyama K,Satoh K,et al.Does the Murphy eye reduce the reliability of chest auscultation in detecting endobronchial intubaion? Anesth Analg,1999,88(6):1380~1383.
2Cohen SP,Anderson PL.Mucoid impaction following nasal intubation in a child with an upper respiatory infection.J Clin Anesth,1998,10(4):327~330