Epidemiology and costs of COPD.
Blanc
P D
PD
Balmes
J R
JR
D003365:Costs and Cost Analysis; D005102:Health Expenditures / Q000706:statistics & numerical data*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000191:economics / Q000453:epidemiology / Q000628:therapy