The productive cough of chronic bronchitis is often not regarded as abnormal.
慢性支气管炎的咳痰往往不被认为异常。
Clinical Efficacy of Huagai Powder in the Treatment of 102 Cases of Productive Cough
华盖散加味治疗痰咳102例疗效观察
This exudate gives rise to the productive cough purulent yellow sputum seen with bacterial pneumonias.
渗出引起咳脓性黄痰，如细菌性肺炎。
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