Chronic cough is a common respiratory symptom in children.

慢性咳嗽是儿童呼吸系统常见的症状。

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We can make sure that depression should be the symptom com pose of chronic pain.

疼痛 作为抑郁症的症状谱之一，有利于改善患者的病情。

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We can make sure that depression should be the symptom com pose of chronic pain.

疼痛 作为抑郁症的症状谱之一，有利于改善患者的病情。

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