The mechanism of bronchial asthma is so complicated that combined drug therapy is the common choice.

支气管哮喘的发病机制十分复杂，其治疗也往往需要联合用药。

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Both pure drug therapy and X-ray radiotherapy combined with drug therapy can not stop the progress of hip joint involvement but X-ray radiotherapy combined with drug therapy can postpone it.

单纯药物和放疗联合药物治疗都不能阻止髋关节病变病情的进展，放疗联合药物治疗有延缓髋关节病变病情进展的趋势。

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Method: Combined modality therapy including drug, drainage and surgery was performed on 140 children with chronic sinusitis.

方法：为140例儿童慢性鼻窦炎患儿行药物和通畅引流为主、手术为辅的综合治疗。

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He added that the study showed the impact of the combined HIV strategy of promoting condoms, increasing regular HIV testing and encouraging the earlier use of anti-HIV drug therapy.

BBC: Condoms