Research
Chronic obstructive pulmonary disease in primary care: an epidemiologic cohort study from the Canadian Primary Care Sentinel Surveillance Network
Michael E. Green, Nandini Natajaran, Denis E. O’Donnell, Tyler Williamson, Jyoti Kotecha, Shahriar Khan and Andrew Cave
January 28, 2015 3 (1) E15-E22; DOI: https://doi.org/10.9778/cmajo.20140040