AstraZeneca is seeking approval to sell cheap off-patent drugs to Brazil.

阿斯利康公司也寻求在巴西销售那些专利保护即将到期的产品。

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OBJECTIVE: To offer references for clinical rational use of Chinese patent drugs.

前言：目的：为临床合理应用中成药提供借鉴。

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These drugs should be a focus of cancer treatment programmes, rather than expensive on-patent drugs.

治疗计划应尽量考虑使用这样的药物，而不是那些天价专利药品。

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Until its patent expired in 2008, it was ranked 20th among the 100 best selling drugs in the world.

VOA: standard.2010.03.14

Some off-patent drugs have so few side effects that they are now available without a prescription.

FORBES: Magazine Article

But other off-patent drugs are doing less well without intellectual property law's protection.

FORBES: Magazine Article

Cipla, a manufacturer of off-patent drugs in India, says that it plans to supply the drug cheaply next year.

ECONOMIST: Avian influenza