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A Pilot Study Assessing the Therapeutic Potential of a Vibratory Positive Expiratory Pressure Device (Acapella Choice) in the Treatment of Voice Disorders - ScienceDirect
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PDF] Performance comparison of two oscillating positive expiratory pressure devices: Acapella versus Flutter. | Semantic Scholar
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World Lung Day: How the Acapella Choice Vibratory PEP Therapy Device C — Mountainside Medical Equipment
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