Though few comprehensive studies have been conducted, one by the University of Washington investigated how drug sample availability affected what physicians prescribe.

尽管人们几乎没有进行过全面的研究，但是华盛顿大学的一项研究调查了药品样本的可获得性对医生开的处方的影响。

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Dissolution rate determines the availability of the drug for absorption.

溶解速率溶解速率决定药物吸收时的可用度。

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METHODS the optimization extractive technology of Xuanfeiqing granules was investigated using orthogonal design with the availability component extracting from the drug as the index.

方法采用正交设计法，以水醇两组提取物中有效成分黄芩苷提取率和水饱和正丁醇提取物为指标，确定提取参数。

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Jayne Sullivan said she hoped Brian Gibbons would answer her questions on availability of the drug in Wales by this Friday.

BBC: NEWS | UK | Wales | Cancer vigil woman meets minister

The fears were described during a legal challenge to the Government's original decision to issue advice limiting the NHS availability of the anti-impotence drug.

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He said the findings would impact on drug policies, because they suggested reducing or eliminating the availability of cannabis would be "unlikely to make a dent" in the hard drug problem.

BBC: Cannabis 'not linked to harder drugs'