2Yamamoto T,Fazio V W,Tekkis P P. Safety and effica- cy of stricture plasty for Crohnsr s disease., a systematic review and meta-analysis[J]. Dis Colon Rectum, 2007, 50(11) .. 1968-1986.
5Rello J,Torres A,Ricart M,et al.Ventilator-associated pneumonia by Staphylococcus aureus:comparison of methicillin-resistent and methicillin-sensitive episodes[J].Am J Respir Crit Care Med,1994,150(6pt 1):1545-1549.
6Chastre J,Wolff M,Fagon J Y,et al.Comparison of8vs 15days of antibiotic therapy for ventilator-associated pneumonia in adults:a randomized trial[J].JAMA,2003,290(19):2588-2598.
7Luna C M,Videla A,Mattera J,et al.Blood cultures have limited value in predicting severity of illness and as a diagnostic tool in ventilator-associated pneumonia[J].Chest,1999,116:1075-1084.
8Niederman M S.Gram-negative colonization of the respiratory tract:pathogenesis and clinical consequences[J].Semin Respir Infect,1990,5:173-184.
9Eubanks P J,de Virgilio C,Klein S,et al.Candida sepsis in surgical patients[J].Ann Surg,1993,166(6):617-619.
