Analysis of the attack reveals that someone got access to the computer systems of one firm that issue certificates.

BBC: Iran accused in 'dire' net security attack

And a U.S. military official directly familiar with preliminary intelligence analysis of the attack told CNN there were "strong indications" that no chemical weapon was used.

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In 2001, two respected cardiologists at the Cleveland Clinic published a re-analysis of old data that indicated Vioxx might raise the risk of heart attack.

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No-one will ever know how the plan to attack the terrorists was hatched, but early indications from analysis of the recordings suggest it began in the front of the plane in first class.

BBC: News | NEWSNIGHT | Alison Hoglan interview transcript

It also contains Topol's response, in which he publishes a new analysis of four-year-old data that he says shows a "significant" increase in heart attack and stroke in patients taking Vioxx after as little as six weeks.

FORBES: Vioxx: More Debate, More Data

Glaxo's own analysis of the drug, which the company shared with the FDA, said Avandia increases the risk of heart attack by about 30%.

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