Silica and pulmonary lesions.
D002283:Carcinoma, Bronchogenic / Q000209:etiology*; D004781:Environmental Exposure; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology; D008297:Male; D009784:Occupational Diseases / Q000209:etiology*; D010316:Particle Size; D011658:Pulmonary Fibrosis / Q000209:etiology*; D012822:Silicon Dioxide / Q000009:adverse effects*
D012822:Silicon Dioxide