title: Chronic obstructive pulmonary disease in the veterans affairs hospitals: haven't we seen this before?
authors.forename: Guy W
authors.initials: GW
authors.lastname: Soo Hoo
mesh_terms: D006787:Hospitals, Veterans; D006801:Humans; D008297:Male; D008875:Middle Aged; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*; D013147:Spirometry / Q000706:statistics & numerical data*; D014481:United States; D014728:Veterans