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Nature 427, 766 (26 February 2004) | doi:10.1038/427766a

Open Innovation Challenges

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Poor communication blamed for delays to US visas

Geoff Brumfiel

Foreign students and scientists coming to the United States are suffering big delays caused by immigration restrictions, a congressional report has confirmed.The report, which is set for release this week, tracked 71 science students and scholars who underwent security screenings in the wake of the 11 September 2001 terrorist attacks.