C. M. Bossu, R. Giglioti, M. C. de S. Oliveira, P. V. de Oliveira, and A. R. de A. Nogueira, “Zinc fractionation in cow, goat, sheep and soybean milk samples using gel-electrophoresis and determination by electrothermal atomic absorption spectrometry (ETAAS)”, Eclet. Quim., vol. 46, no. 1, pp. 12–20, Jan. 2021.