Combined effect of smoking and occupational exposure to dusts, gases or fumes on the incidence of COPD

Pallasaho P, Kainu A, Sovijärvi A, Lindqvist A, Piirilä PL. Combined effect of smoking and occupational exposure to dusts, gases or fumes on the incidence of COPD. COPD. 2014; 11(1): 88-95.