title: The effects of occupation and smoking on respiratory disease mortality.
mesh_terms: D001991:Bronchitis / Q000209:etiology / Q000401:mortality; D004391:Dust / Q000009:adverse effects*; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology / Q000401:mortality*; D012907:Smoking
chemical_list: D004391:Dust