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\bibitem{Fontoura_etal2019} Fontoura, C. E., Krein, G., Valcarce, A., \& Vijande, J. (2019). Production of exotic tetraquarks QQ(q)over-bar (q)over-bar in heavy-ion collisions at the LHC. \textit{Phys. Rev. D}, \textit{99}(9), 094037--8pp.

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