Which of the following disease reduces the age of laborers working in coal mine and that disease is called Black Lung disease?
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Q:
Which of the following disease reduces the age of laborers working in coal mine and that disease is called Black Lung disease?
- 1Clomgolanosistrue
- 2progressive massive fibrosisfalse
- 3mesotheliomafalse
- 4None of thesefalse
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