Chronic obstructive pulmonary disease (COPD) References
    
        
        
            
        
            American Lung Association. 
  Bateman ED, Feldman C, O'Brien J, et al. Guideline for the management of chronic obstructive pulmonary disease (COPD): 2004 revision. S Afr Med J. 2004 Jul;94(7 Pt 2):559-75. 
  Cazzola M, Donner CF, Hanania NA.... 
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