1Johnson JL, Cheatham ML, Sagraves SG, et al. Percutaneous clilational tracheostomy. A comparison of single-versus multiple-dilator techniques[J].Crit Cara Med,2001,29(6): 1251-1254.
2Chen Y, Wang Y, Sun W, et al. Implementation of Percytaneous Dilatational Tracheostomy My on Neurosurgical Coma Patients[J]. Chin Med J ,2002,115(9) : 1345-1347.
4Galeiras Vazquez R, Rascado Sedes P, Mourelo Farina M, et al. Respiratory management in the patient with spinal cord injury[J]. Biomed Res Int, 2013, 2013:168757.