COPD, chronic bronchitis and capability to day-to-day activities: population based study

: Kanervisto M, Saarelainen S, Vasankari T, Heistaro S, Jousilahti O, Heliövaara M, Paavilainen E

: 2010

: 4

: 7

: 4

: 207

: 215

: 9

: 1479-9723