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Jake Olivier, Prudence Creighton and C. Thomas Mason declare they have no conflict of interest.
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Olivier, J., Creighton, P. & Mason, C.T. Evidence bicycle helmets mitigate intra-cranial injury is not controversial. Eur J Trauma Emerg Surg 42, 333–336 (2016). https://doi.org/10.1007/s00068-016-0629-x
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DOI: https://doi.org/10.1007/s00068-016-0629-x