At present, it is the first choice drug for the treatment of schistosomiasis in the world because of the excellent efficacy, short course of treatment and low toxicity.

因其具有疗效高、疗程短、毒性小等优点，目前是世界上治疗血吸虫病的首选药物。

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Oseltamivir remains the drug of first choice recommended by WHO.

奥司他韦仍然是世卫组织推荐的首选药物。

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We suggested that prazosin Co might be an effective drug of first choice for chronic hypertensive patients.

所以，复方哌唑嗪可作为肾性高血压和原发性高血压患者的首选降压药物。

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Two trials, published in the Lancet medical journal, compared the effectiveness of alemtuzumab with a first-choice drug, interferon beta-1a.

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He said he thought the drug would be most useful for patients for whom standard treatment had failed and in a "minority" of patients as a first-choice drug.

BBC: Multiple sclerosis: New drug 'most effective'

Vytorin is approved by the Food and Drug Administration as a first choice for lowering cholesterol, so Merck and Schering can market it that way.

FORBES: Magazine Article