title: We thank Dr Eva Hnizdo and Professor Edward L Petsonk for their highly appreciated comments on our publication in Occupational Environmental Medicine.
authors.forename: Vidar
authors.initials: V
authors.lastname: Søyseth
authors.forename: Helle Laier
authors.initials: HL
authors.lastname: Johnsen
authors.forename: Johny
authors.initials: J
authors.lastname: Kongerud
mesh_terms: D000395:Air Pollutants, Occupational / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008669:Metallurgy; D009784:Occupational Diseases / Q000453:epidemiology*; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology*
chemical_list: D000395:Air Pollutants, Occupational