(Q34327806)
Statements
1 reference
Epidemiology of chronic obstructive pulmonary disease. (English)
1 reference
J M Antó
1 reference
P Vermeire
1 reference
J Sunyer
1 reference
1 May 2001
1 reference
1 reference
17
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5
1 reference
982-994
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Identifiers
1 reference
1 reference