T Uribe

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Catheter-based intra-arterial digital subtraction angiography (IADSA) is widely trusted for diagnosing cerebral aneurysms. However, three-dimensional CT angiography (3D-CTA) is evolving. This study compares the diagnostic performance and inter-rater reliability of 64-slice 3D-CTA and IADSA. Nineteen patients with 26 suspected cerebral aneurysms (23 with(More)
When poured into a container, cohesive granular materials form low-density, open granular aggregates. If pressure is applied to these aggregates, they densify by particle rearrangement. Here we introduce experimental and computational results suggesting that densification by particle rearrangement occurs in the form of a phase transition between two(More)
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