Emphysema Is it contagious First | |
Emphysema Is it contagious First of all you must understand that What are emphysema? Emphysema is caused by a loss of airway flexibility. at the tip of the trachea Excessive expansion, inflation, and an increase in lung volume. or in combination with damage to the respiratory wall pathological condition According to the cause of emphysema, there are the following types:
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