title: Pulmonary changes among titanium workers.
mesh_terms: D006801:Humans; D008171:Lung Diseases / Q000139:chemically induced*; D008297:Male; D009784:Occupational Diseases / Q000139:chemically induced*; D011009:Pneumoconiosis; D013464:Sulfuric Acids; D014025:Titanium / Q000009:adverse effects*
chemical_list: D013464:Sulfuric Acids; D014025:Titanium