हिंदी

Which of the following is/are cause/s of the respiratory disorder emphysema? -

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प्रश्न

Which of the following is/are cause/s of the respiratory disorder emphysema?

विकल्प

  • Smoking or air pollution

  • Allergy to some foods

  • Viral infection

  • Bacterial infection

MCQ

उत्तर

Smoking or air pollution

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