5Landbo C, Prescott E, Lange P, et al. Prognostic value of nutritional status in chronic obstructive pulmonary disease [J]. Am J Respir Crit Care Med, 1999, 160 (6): 1856-1861.
7Guigoz Y, Vellas B. The Mini Nutritional Assessment (MNA) for grading the nutritional state of elderly patients : presentation of the MNA, history and validation [ J]. Nestle Nutr Workshop Ser Clin Perform Programme, 1999,1:3-11,11-12.
8Celli BR, Cote CG, Marin JM, et al. The body-mass index, airflow obstruction, dyspnea, and exercise capacity index in chronic obstructive pulmonary disease [ J ]. N Engl J Med,2004,350(10) :1005-1012.
9Laaban JP. Nutrition and chronic respiratory failure [ J ]. Ann Med Interne (Paris) ,2000,151(7) :542-548.
