9Bowton DL.Nosocomial pneumonia in the ICU-year 2000 and beyond[J].Chest,1999,115(3):28-33.
10Chao YF,Chen YY,Wang KW,et al.Removal of oral secretion prior to position change can reduce the incidence of ventilator-associated pneumonia for adult ICU patients:a clinical controlled trial study[J].J Clin nurs,2009,18(1):22-28.
