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Long-Term Effects of Inhaled Corticosteroids on FEV1 in Patients with Chronic Obstructive Pulmonary Disease: A Meta-Analysis
Kristin B. Highland, MD; Charlie Strange, MD; John E. Heffner, MD
Annals of Internal Medicine 2003;138:969-973.
doi:10.7326/0003-4819-138-12-200306170-00008
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