kw.\*:("Chronic obstructive pulmonary disease prevalence spirometry USA")
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Population impact of different definitions of airway obstructionCELLI, B. R; HALBERT, R. J; ISONAKA, S et al.The European respiratory journal. 2003, Vol 22, Num 2, pp 268-273, issn 0903-1936, 6 p.Article