How Breathing Exercises Influence on Respiratory Muscles and Quality of Life among Patients with COPD? A Systematic Review and Meta-Analysis

<div>Effects of breathing exercises on P<sub><i>I</i></sub><i>max</i>.</div>

Canadian Respiratory Journal

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Figure 4

Figure 4: How Breathing Exercises Influence on Respiratory Muscles and Quality of Life among Patients with COPD? A Systematic Review and Meta-Analysis 

Figure 4 | How Breathing Exercises Influence on Respiratory Muscles and Quality of Life among Patients with COPD? A Systematic Review and Meta-Analysis 