The Imperial study is far bigger, scrutinising data from nearly 300,000 patients in 175 hospital trusts between 2000 and 2008.

而此次帝国学院的研究范围更大，详查的数据覆盖了2000到2008年间175家医院的30万名患者。

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The Imperial study, of more than 1, 200 people, identified two forms of the GAD2 gene.

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The Imperial College London study in the Lancet Oncology compared patches and injections in 254 patients.

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Writing in the BMJ, Professor Neena Modi from Imperial College London said the study was important because it provided the most up-to-date information on survival rates.

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