3Wainwright sp, Gould D. Endotracheal Svctioning:an example of the problems of relerahce and rigovr in clinical research. Journal of clinical Nursing, 1996,5 (6) :389 - 398.
6[1]Johnston KC,Li JY,Lyden PD et al.Medical and neurological complication of ischemic stroke:experience from the RANTTAS trial[J].Stroke,1998,29:447-453.
7[4]Edgren E,Hedstrand U,Nordin M et al.Prediction of outcome after cardiac arrest[J].Crit Care Med,1987,15:820-825.
8[6]Raichle ME.The pathophysiology of bran ischemia[J].Ann Neurol,1983,13:2-10.
9[7]Schwarz S,Schwab S,Keller E et al.Neurogenic disorders of heart and lung function in acute cerebral lesions[J].Nervenarzt,1997,68:956-962.
10[8]Sasaki H,Sekizawa K,Yanai M et al.New strategies for aspiration pneumonia[J].Intern Med,1997,36:851-855.