high-frequency chest wall oscillation

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Airway Clearance Applications in the Elderly and in Patients With Neurologic or Neuromuscular Compromise
Carl F Haas, Paul S Loik and Steven E Gay

Respiratory Care October 2007, 52 (10) 1362-1381;
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High-Frequency Assisted Airway Clearance
Robert L Chatburn

Respiratory Care September 2007, 52 (9) 1224-1237;