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APA Citation
O'Donnell, D. E., Aaron, S., Bourbeau, J., Hernandez, P., Marciniuk, D., Balter, M., Ford, G., Gervais, A., Goldstein, R., Hodder, R., Maltais, F., & Road, J. (n.d.). state of the Art Compendium: Canadian Thoracic Society Recommendations for Management of Chronic Obstructive Pulmonary Disease. Canadian respiratory journal, 11(1), 7B–59B. http://access.bl.uk/ark:/81055/vdc_100173106527.0x000027