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\bibitem{Gambino_etal2017} Gambino, P., Melis, A., \& Simula, S. (2017). Extraction of heavy-quark-expansion parameters from unquenched lattice data on pseudoscalar and vector heavy-light meson masses. \textit{Phys. Rev. D}, \textit{96}(1), 014511--17pp.

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