The factor X-like antigen in normal pancreatic islets and in 52 cases of pancreatic endocrine tumours was investigated by immunohistochemistry.

应用免疫组织化学方法对正常胰岛及52例胰岛细胞内分泌肿瘤中第x因子样抗原进行观察。

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Objective: to investigate the clinical feature, pathogenesis, and therapy of Primary systemic amyloidosis with acquired factor-X deficiency.

目的：探讨原发性系统性淀粉样变性并发凝血因子x缺乏的临床特征、发病机制及治疗方法。

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The X Factor launched in 2004 in the UK. Airing on ITV1, The X Factor has been the No 1 show in the UK for eight years, with the 2010 finale achieving a peak of 21.2 million viewers, and a 65% share.

ENGADGET: Sony and Simon Cowell intro X Factor-themed MDR-X10, celebrity headphones officially jump the shark for $300

Local versions of The X Factor are now produced in more than 41 territories and artists discovered by The X Factor format have sold more than 100 million records worldwide, including 110 No 1's, 270 Top 10 records, and 501 Top 50 releases.

ENGADGET: Sony and Simon Cowell intro X Factor-themed MDR-X10, celebrity headphones officially jump the shark for $300

The X Factor was a smash (10.2 million viewers for the finale), and when Cowell approached Fox in 2005 for renewal of his Idol contract, he threatened to sell X Factor to a competing network.

FORBES: Celebrity 100