2Kikuchi R,Watabe N,Konno T,et al.High incidence of silent aspiration in elderly patients with communityacquired pneumonia.Am J Respir Crit Care Med,1994,150:251-153.
3Teramoto S,Yamamoto H,Yamaguchi Y,et al.A novel diagnostic test for the risk of aspiration pneumonia in the elderly.Chest,2004,125:801-802.
4Park RH,Allison MC,Land J,et al.Randomized comparison of percutaneous endoscopic gastrostomy and nasogastric tube feeding in patients with persisting neurological dysphagia.BMJ,1992,304:1406-1409.