5Hurd S. The impact of COPD on lung health worldwide: epidemiology andineidence[J]. Chest, 2000, 117: 1S-4S.
6Vermeeren MAP, Creutzberga EC, Schols AMWJ, et al. Prevalence of nutritional depletion in a large out-patient population of patients with COPD[J]. Respir Med, 2006, 100:1349-1355.
7Schols AMWJ, Slangen J, Volovics L, et al. Weight loss is a reversible factor in the prognosis of chronic obstructive pulmonary disease[J]. Am J Respir Crit Care Med, 1998, 157: 1791-1797.
8Landbo C, Prescott E, Lange P, et al. Value of nutritional status in chronic obstructive pulmonary disease[J]. Am J Respir Crit Care Med, 1999, 160:1856-1861.
9Agusti AGN. Systemic effects of chronic obstructive pulmonary disease[J]. Pruc Am Thorac Soc, 2005, 2: 367-379.
10Daniel AK, Francis C, Steven MS. Nutritional aspects of chronic obstructive puhnonary disease[J]. Proc Am Thorac Soc, 2008, 5:519-523.