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Positive Expiratory Pressure via Mask Does Not Improve Ventilation Inhomogeneity More than Huffing and Coughing in Individuals with Stable Chronic Obstructive Pulmonary Disease and Chronic Sputum Expectoration Respiration 2014;87: DOI: / Fig. 1. Study design. © 2013 S. Karger AG, Basel
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Positive Expiratory Pressure via Mask Does Not Improve Ventilation Inhomogeneity More than Huffing and Coughing in Individuals with Stable Chronic Obstructive Pulmonary Disease and Chronic Sputum Expectoration Respiration 2014;87: DOI: / Fig. 2. Mean (standard error) Sacin over time. T1 = Before treatment; T2 = immediately after treatment; T3 = 90 min following treatment. © 2013 S. Karger AG, Basel
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Positive Expiratory Pressure via Mask Does Not Improve Ventilation Inhomogeneity More than Huffing and Coughing in Individuals with Stable Chronic Obstructive Pulmonary Disease and Chronic Sputum Expectoration Respiration 2014;87: DOI: / Fig. 3. Mean (standard error) Scond over time. T1 = Before treatment; T2 = immediately after treatment; T3 = 90 min following treatment. © 2013 S. Karger AG, Basel
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Positive Expiratory Pressure via Mask Does Not Improve Ventilation Inhomogeneity More than Huffing and Coughing in Individuals with Stable Chronic Obstructive Pulmonary Disease and Chronic Sputum Expectoration Respiration 2014;87: DOI: / Fig. 4. Mean (standard error) FRC over time. T1 = Before treatment; T2 = immediately after treatment; T3 = 90 min following treatment. © 2013 S. Karger AG, Basel
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