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References
1.Global Initiative for Asthma (GINA) . GINA Report, Global Strategy for Asthma Management and Prevention . http://www.ginasthma.com/guidelineitem.asp??l1=2&l2= 1&intId=1561. Accessed February 2010.
2.Global Strategy for Diagnosis, Management, and Prevention of COPD . Updated December 2009. http://www.goldcopd.org/guidelineitem.asp?l1=2&l2=1&intId=2003. Accessed February 2010.
