Ng TP, Niti M, Tan WC, et al. Depressive symptoms and chronic obstructive pulmonary disease: effect on mortality, hospital readmission, symptom burden, functional status, and quality of life[J]. Arch Intern Med, 2007,167(1):60-67.
[7]
De Voogd JN, Wempe JB, Koёter GH, et al. Depressive symptoms as predictors of mortality in patients with COPD[J]. Chest, 2009, 135(3):619-625.
