6Borak J ,Diller WF. Phosgene exposure~ Mechanisms of injury and treatment strategies[J]. J Occup Environ Med,2001,43(2) : 110 - 119.
7Maclntyre NR, Cook DJ, Ely EW Jr, et al. Evidencebased guide- lines for weaning and discontinuingventilatory support = A collec- tive task force facilitated by the American College of Chest Physi- cians;the American Association for Respiratory Care~and the A- merican College of Critical Care Medieine~J~. Chest, 120 (6 Sup- pl) ~$375 - $395.
