title: Combined effects of cigarette smoking and occupational air pollution in welding environment.
mesh_terms: D000393:Air Pollutants / Q000009:adverse effects*; D000395:Air Pollutants, Occupational / Q000009:adverse effects*; D006801:Humans; D012129:Respiratory Function Tests; D012907:Smoking; D014896:Welding
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational