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  1. Article

    Open Access

    Precise measurements of self-absorbed rising reverse shock emission from gamma-ray burst 221009A

    The deaths of massive stars are sometimes accompanied by the launch of highly relativistic and collimated jets. If the jet is pointed towards Earth, we observe a ‘prompt’ gamma-ray burst due to internal shocks...

    Joe S. Bright, Lauren Rhodes, Wael Farah, Rob Fender in Nature Astronomy (2023)

  2. No Access

    Article

    Gigaelectronvolt emission from a compact binary merger

    An energetic γ-ray burst (GRB), GRB 211211A, was observed on 11 December 20211,2. Despite its long duration, typically associated with bursts produced by the collapse of massive stars, the observation of an optic...

    Alessio Mei, Biswajit Banerjee, Gor Oganesyan, Om Sharan Salafia in Nature (2022)

  3. No Access

    Chapter

    Common Nerve Blocks of the Lower Limb

    The lumbar plexus is formed by the loops of communication between the anterior roots of the first three lumbar nerves, the greater part of the fourth nerve fibres and, in as many as 50 % of cases, by a branch ...

    Andrea Tognù, Daniele Genco, Luca Josca, Stefano Giarratana, Paolo Grossi in Arthroscopy (2016)