Generally speaking, more than half of control symptoms should, then still need maintenance treatment.

一般而言，控制症状需半年以上，此后还需维持治疗。

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Objective Observer intravenous iron maintenance treatment of chronic kidney hemodialysis patients kidney effects of anaemia.

目的观察静脉补铁治疗维持性血液透析的慢性肾衰患者肾性贫血的效果。

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Results: The approach of methadone maintenance treatment is effective, valid, and easy to operate and is potential to scale up.

药物维持治疗效果明显，方法可靠，操作技术简便，具有良好的推广价值和市场潜力。

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Mr Sullivan advocates a heroin maintenance and treatment programme for addicts, of the kind pioneered in Switzerland.

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They may offer mental health coverage through a health maintenance organization that makes treatment unpleasant or hard to get.

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Rep. John Dingell of Michigan, the bill's chief Democratic sponsor in the House, touted the benefits of legislation that would give Americans sweeping new health care rights and the power to sue health maintenance organization (HMOs) and insurers if the treatment is denied.

CNN: Democrats say Bush trying to sink popular rights bill