Sources: (1) Global Strategy for the diagnosis Management and Prevention of COPD, Global initiative for Chronic Obstructive Lung Disease (GOLD) 2013. http://www.goldcopd.org (2) National Clinical Guideline Centre (2010). Chronic Obstructive Pulmonary Disease Management of Chronic Obstructive Pulmonary Disease in Adults in Primary and Secondary Care. London: National Clinical Guideline Centre. http://guidancenice.org.uk/CG101.Guidance/pdf/English (3) Sethi, S, Murphy, TF. Infection in the pathogenesis and course of chronic obstructive pulmonary disease. N Engl J Med. 2008;359:2355. Source: Section 6. Pulmonology, Pharmacotherapy Bedside Guide Citation: Martin CP, Talbert RL. Pharmacotherapy Bedside Guide; 2013 Available at: https://accesspharmacy.mhmedical.com/DownloadImage.aspx?image=/data/Books/mart1/mart1_c006f003.png&sec=43490161&BookID=667&ChapterSecID=43490022&imagename= Accessed: December 16, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved