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\bibitem{Barraza_etal2017} Barraza, F., Schreck, E., L{\'e}v{\^e}que, T., Uzu, G., Lopez, F., Ruales, J., et al. (2017). Cadmium bioaccumulation and gastric bioaccessibility in cacao: A field study in areas impacted by oil activities in Ecuador. \textit{Environmental Pollution}, \textit{229}, 950--963.

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