Trends in population burden of COPD: actual facts or fallacies?
Bischoff
Erik W
EW
Crockett
Alan J
AJ
Schermer
Tjard R J
TR
D002170:Canada / Q000453:epidemiology; D003937:Diagnosis, Differential; D006801:Humans; D015994:Incidence; D015995:Prevalence; D011320:Primary Health Care / Q000706:statistics & numerical data; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology* / Q000401:mortality