1. Tracheal mucus clearance in high frequency oscillation. II: chest wall versus mouth oscillation;King;Am. Rev. Respir. Dis.,1984
2. Comparison of expectorated sputum after manual chest physical therapy and high-frequency chest compression;Warwick;Biomed. Instrum. Technol.,2004
3. Pulmonary vest therapy in pediatric long-term care;Plioplys;J. Am. Med. Dir. Assoc.,2002
4. The effects of treatment with mechanical percussion-vibration;Denton;Am. Rev. Respir. Dis.,1962
5. Physiologic evidence for high-frequency chest wall oscillation and positive expiratory pressure breathing in hospitalized subjects with cystic fibrosis;Darbee;Phys. Ther.,2005