The cough medicine contains an expectorant.
咳嗽药中含有祛痰剂。
CONCLUSION: The domestic serrapeptase is an effective and safe expectorant as well as imported.
结论：国产与进口舍雷肽酶肠溶片治疗痰液黏稠均安全、有效。
Objective To make an animal experimental study on antibechic and expectorant action of NORPIN-A.
目的：对NORPIN -A的镇咳、祛痰作用进行动物实验研究。
Objective To make an animal experimental study on antibechic and expectorant action of NORPIN-A.
目的：对NORPIN -A的镇咳、祛痰作用进行动物实验研究。
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