Diagnosis of Chronic Obstructive Pulmonary Disease

MARK B. STEPHENS, CDR, MC, USN, and KENNETH S. YEW, CAPT, MC, USN, Uniformed Services University of the Health Sciences, Bethesda, Maryland

http://www.aafp.org/afp/2008/0701/p87.html

Am Fam Physician. 2008 Jul 1;78(1):87-92.

Canadian COPD Guidelines

http://www.respiratoryguidelines.ca/guideline/chronic-obstructive-pulmonary-disease