7Poponick J M, Renston J P, Emerman L. Successful use of nasal Bi - PAP in three patients previously requiring intubation and mechanical entilation[ J ]. J Emerg Med, 1997, 15 (6) : 785.
8Craven R A, Singletary N, Bosken L, et al. Use of bilevel positive airway pressure in out - of- hospital patients[J ]. Acad Emerg Med, 2000, 7(9) : 1065.
9Knaus WA, Wagner DP, Draper EA, et al. The APACHE III prognostic system: Risk prediction of hospital mortality for critically ill hospitalized adults. Chest, 1991,100:1619.
10Teasdale G, Jermett B. Assessment of coma and impaired consciousness. Lancet, 1974, 2: 81.