2Ferguson GT, Calverley PM, Anderson JA, et al. Prevalence and progression of osteoporosis in patients with COPD: results from the towards a revolution in COPD health study [ J ]. Chest, 2009,136 (6) :1456-1465.
3Jorgensen NR, Schwarz P. Osteoporosis in chronic obstructive pul- monary disease patients[J]. Curr Opin Pulm Med, 2008,14(2) : 122-127.
4Ohara T, Hirai T, Muro S, et al. Relationship between pulmonary emphysenma and osteoporosis assessed by CT in patients with COPD[ J]. Chest, 2008,134(6) : 1244-1249.
5Corsonello A, AntoneUi Incalzi R, Pistelli R, et al. Comorhidities of chronic obstructive pulmonary disease [ J ]. Curr Opin Pulm Med, 2011,17 ( Suppl l) :21-28.
6Barnes PJ, Celli BR. Systemic manifestations and comorbidities of COPD[J]. Eur Respir J, 2009,33(5) :1165-1185.
7Sinden N J, Stockley RA. Systemic inflammation and comorbidity in COPD: a result of bvempill'of inflammatory mediators from the lungs? Review of the evidence [ J ]. Thorax, 2010,65 (10) : 930- 936.
8Olmos JM, De Vega T. Etidronate inhibits the production of IL-6 by osteoblast-like cells [ J ]. Methods Find Exp Clin Pharmacol, 1999,21 (8) :519-522.
9Dovio A, Masera RG, Sartori ML, et al. Autocrine up-regulation of glucocorticoid receptors by interleikin-6 in human osteoblast-like cells[J]. Calcif Tissue Int, 2001,69(5) :293-298.