https://www.cureus.com/articles/175874-recent-advances-in-the-devices-for-the-treatment-of-chronic-obstructive-pulmonary-disease-a-review
Chronic obstructive pulmonary disease or COPD has been known to adversely affect people’s quality of life. It influences a great number of individuals overall and is a main source of horribleness and mortality. It is associated with major healthcare and socio…
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