1. Soto FJ, Varkey B. Evidence-based approach to acute exacerbations of COPD, Curr Opin Pulm Med 2003; 9: 117–24.
2. Dewan NA. COPD Exacerbations: to X-ray or not to X ray. Editorial. Chest 2002; 122: 1118–21.
3. Sherk PA, Grossman RF. The chronic obstructive pulmonary disease exacerbation. Clin Chest Med 2002; 21.
4. INTERNET CITATION: Management of Acute Exacerbation of Chronic Obstructive Pulmonary Disease Summary, Evidence Report/Technology Assessment: Number 19. AHRQ Publication No. 00-E020, September 2000. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov /clinic/epcsums/copdsum.htm
5. Dominguez-Cherit G, Mendez M, Pedroza J. Chronic obstructive pulmonary disease. In: Parrillo JE, Dellinger RP, eds., Critical Care Medicine: Principles of Diagnosis and Management in the Adult, 2nd ed. St. Louis: Mosby, 2001, pp. 738–53.