However, the biotechnology companies are not normally required to undertake such animal feeding trials in Europe, the US, or indeed anywhere.

然而，在欧洲、美国或任何地方一般不要求生物技术公司进行这种动物喂食试验。

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An American biotechnology company says it's been forced to stop trials using embryonic stem cells in humans owing to the high costs.

美国一家生物公司称，由于高昂的成本，被迫停止用人体胚胎细胞做实验。

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Pharming, a Dutch biotechnology firm, recently began clinical trials for alpha-glucosidase, a product designed to treat Pompe's disease, a metabolic disorder causing fatal degeneration of muscle.

ECONOMIST: Rare diseases: Safety in numbers | The

Cantab Pharmaceuticals, a British biotechnology firm, has a genetically engineered vaccine now in clinical trials to protect against herpes simplex infection and reduce the recurrence of genital herpes.

ECONOMIST: Vaccines

The new study, published online in the journal Nature Biotechnology, represents an early example of how social networking could play a role in clinical trials, an area of medical science with strict procedures that many would consider especially difficult to apply in the online world.

WSJ: ALS Study Falls Short, But Use of Social Media Holds Promise