400-9696-311 转1
400-9696-311 转2
400-9696-311 转3
400-9696-311 转4
ChiCTR2200057912
正在进行
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2022-03-22
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COPD
Effectiveness of Focused Pulse High Frequency Chest Wall Oscillation (HFCWO) device in patients with moderate to severe COPD
Effectiveness of Focused Pulse High Frequency Chest Wall Oscillation (HFCWO) device in patients with moderate to severe COPD
16039
Comparision between a focused chest wll oscillation respin 11 and positive expiratory pressure device in patients with COPD
随机平行对照
上市后药物
randomization following a schedule done by a computer
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internal founding
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20
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2021-01-30
2022-01-01
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Comparison between 20 patients with COPD and treated with focused chest wall oscillation and 20 treated with PEP;
请登录查看copd patients level 2 3 4 gold age between 40 and 85 y;
请登录查看ASL4 Chiavarese
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