While they sound efficient and cost-saving, a recent study reports that they are not effective, primarily because depressed patients are not likely to engage with them or stick with them.

虽然它们听起来很高效而且节约成本，但最近的一项研究表明，它们并不有效，主要是因为抑郁症患者与之接触的可能性低，也难以坚持下去。

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Dr.Priego says so far the combination has been effective in prolonging life for patients with pancratic cancer.

VOA: standard.2010.01.12

Friend is optimistic that the nascent technologies will enable radically better ways to match patients with effective and individualized treatments.

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However, the new clinical data may drive hospitals and patients towards cost effective laproscopic hysterectomy.

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This aims to give NHS patients better access to effective and innovative medicines.

BBC: Chemotherapy