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\bibitem{Cabello_etal2013} Cabello, J., Torres-Espallardo, I., Gillam, J. E., \& Rafecas, M. (2013). PET Reconstruction From Truncated Projections Using Total-Variation Regularization for Hadron Therapy Monitoring. \textit{IEEE Trans. Nucl. Sci.}, \textit{60}(5), 3364--3372.

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