COPD is not single disease , it is umbrella term used to describe chronic lung diseases , that cause limitation in airflow
types of copd :
1-asthma
2-emphysema
3-chronic bronchitis
ref-1 : genix pharma
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COPD is not single disease , it is umbrella term used to describe chronic lung diseases , that cause limitation in airflow
types of copd :
1-asthma
2-emphysema
3-chronic bronchitis
ref-1 : genix pharma