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\bibitem{Hernandez_etal2021} Hernandez, P., Pena, C., Ramos, A., \& Gomez-Cadenas, J. J. (2021). A new formulation of compartmental epidemic modelling for arbitrary distributions of incubation and removal times. \textit{PLoS One}, \textit{16}(2), e0244107--22pp.

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