(Q84300481)
Statements
The prevalence of chronic obstructive pulmonary disease in Uppsala, Sweden--the Burden of Obstructive Lung Disease (BOLD) study: cross-sectional population-based study (English)
Patrik Danielsson
Inga Sif Ólafsdóttir
Bryndis Benediktsdóttir
Thórarinn Gíslason