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<center><strong>Reviewed 8/3/2023</strong></center>
<p><strong>Sources</strong></p>
<ul>
    <li>COPD Foundation. "Breathing Techniques." <a target="_blank" href="https://www.copdfoundation.org/Learn-More/I-am-New-to-COPD/Breathing-Techniques.aspx">https://www.copdfoundation.org/Learn-More/I-am-New-to-COPD/Breathing-Techniques.aspx</a>. </li>
</ul>

How to do pursed lip breathing for COPD