Early detection of COPD combined with individualized counselling for smoking cessation: a two-year prospective study.
Toljamo
Tuula
T
Department of Medicine, Division of Pulmonary Medicine, Lapland Central Hospital, Rovaniemi, Finlan.
Kaukonen
Marjo
M
Nieminen
Pentti
P
Kinnula
Vuokko L
VL