References
The Canadian respiratory Guidelines Committee: [http://www.respiratoryguidelines.ca/]
Gupta S, Bhattacharyya OK, Brouwers MC, Estey EA, Harrison MB, Hernandez P, Palda VA, Boulet LP: Canadian Thoracic Society: Presenting a new process for clinical practice guideline production. Can Respir J. 2009, 16: 62-8.
The Canadian National Lung Health Framework: [http://www.lunghealthframework.ca/]