7Neumann UP,Knoop M,Lang M,et al.Immunosuppression and incidence of opportunistic pneumonias after liver transplantation.Transplant Proc,1998,30:1475-1476.
8Gattinoni L,Vagginelli F.Decrease in PaCO2 with prone position is predictive of improved outcome in acute respiratory distress syndrome.Crit Care Med,2003,31:2727-2733.
9Massimo A,Giorgio C,Antonio E,et al.A multiple center survey on the clinical practice of non-invasive ventilation as a first-line intervention for acute respiratory distress syndrome.Crit Care Med,2007,35:18-25.
