Chronic obstructive respiratory disease (COPD) that develop due to indoor air pollution is responsible for the death of more than 1 million people every year. - Study24x7
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23 Mar 2019 11:17 AM study24x7 study24x7

Chronic obstructive respiratory disease (COPD) that develop due to indoor air pollution is responsible for the death of more than 1 million people every year.

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