2Liu Z, Zhang W, Zhang J, et al. Oral hygiene, periodontal health and chronic obstructive pulmonary disease exacerbations. J Clin Periodontol, 2012, 39(1):45-52.
3Piras O, Travaglino F, Aumnno A, et al. Chronic systemic inflammatory syndrome in patients with AECOPD presenting to emergency department. Eur Rev Med Pharmacol Sci, 2012, 16: 57-61.
5Mackay AJ, Hurst JR. COPD exacerbations: causes, prevention, and treatment. Med Clin North Am, 2012, 96(4):789-809.
6Gan WQ, Man SF, Senthilselvan A, et al. Association between chronic obstructive pulmonary disease and systemic inflammation: a systematic review and a meta-analysis. Thorax, 2004, 59(7):574-580.
8Agusti A, Edwards LD, Rennard SI, et al. Evaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints(ECLIPSE) Investigators. Persistent systemic inflammation is associated with poor clinical outcomes in COPD: a novel phenotype. PLos One, 2012, 7(5):e37483-37487.
6Peduzzi P, Shatney C, Sheagren J, et al. Predictors of bacteremia and Gram-negative bacteremia in patients with sepsis [ J ]. Arch In- tern Med, 1992,152 (3) :529 - 535.
7Petitjean s, Assicot M, Etude I. Immunreactivite calcitonine like au cours des proeessus infectieux [ M ]. Paris: Diplome detudes appro- fondiesde biotechnolosie universite Paris V, 1995.9 - 18.
8Assicot M, Gendrel D, Carsin H, et al. High serum procalcitonin con- centrations in patients with sepsis and infection [ J ]. Lancet, 1993, 341 (8844) :515 -518.
9Mtiller B, Becker KL, Schachinger H, et al. Calcitonin precursors are reliable markers of sepsis in a medical intensive care unit [ J ]. Crit Care Med,2000,28(4) :977 -983.
10Vincent JL. Procalcitonin: The marker of sepsis? [ J]. Crit Care Med ,2000,28 (4) : 1226 - 1228.
5Xie C,Rong Z,Li Z,et al.Measurements of membrane diffusing capacity and pulmonary capillary blood volume in normal subjects and patients with mild emphysema[J].Chin Med J(Engl),1996,109(11):840-847.
6Vestbo J, Hurd SS, Agust i AG, et al. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: GOLD Executive Summary. AmJ Respir Crit Care Med, 2013, 187(4):347-365.
8Peman J, Salavert M. General epidemiology of invasive fungal disease. Enferm Infecc Microbiol Clin, 2012,30(2):90-98.
9Garnacho-Montero J, Olaechea P, Alvarez-Lerma F, et al. Epidemiology, diagnosis and treatment of fungal respiratory infections in the critically ill patient. Rev Esp Quimioter, 2013, 26(2):173-188.
10Xu H, Li L, Huang WJ, et al. Invasivepulmonary aspergillosis in patients with chronic obstructive pulmonary disease: a case control study from China. Clin Microbiol Infect, 2012,18(4):403-408.