气短、咳嗽及肺部爆裂音及湿性啰音是主要的症状和体征。
Dyspnea, cough, inspiratory crackles were the most common symptoms and signs.
结果：23例患者中有8例发现有PC，在这些口才中，咳嗽、肺部湿啰音及组织缺氧常见。
Result: PC was identified in 8 or 23 patients. In these patients, cough, crackles, and hypoxia were common.
结果观察组病人退热时间、咳嗽消失时间和肺部啰音消失时间均较对照组明显缩短，治愈率显著提高。
Results The fever clearance time, the disappearance time of cough and pulmonary rales in the observe group were significantly shorter than those in the control group.
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