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\bibitem{Robert_etal2013} Robert, C., Dedes, G., Battistoni, G., Bohlen, T. T., Buvat, I., Cerutti, F., et al. (2013). Distributions of secondary particles in proton and carbon-ion therapy: a comparison between GATE/Geant4 and FLUKA Monte Carlo codes. \textit{Phys. Med. Biol.}, \textit{58}(9), 2879--2899.

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