3[2]Abrams KJ.Airway management and mechanical ventilation[J].New-Horiz,1995,3(3):479-487.
4[6]Gugliemintti J,Desmonts JM,Dureuil B.Effects of tracheal suctioning on respiratory resistance in mechanically ventilated patients[J].Chest,1998,113:1335.
5[10]Rumbak MJ,Walsh FW.Significant tracheal obstruction causing failure to wean in patients requiring prolonged mechanical ventilation:a forgotten complication of long-term mechanical ventilation[J].Chest,1999,115 (4):1092-1095.