Pedrosa LISBOA, Thalles, et al. “Evaluation of Chromium and Manganese Levels in Sports Supplements Using Graphite Furnace Atomic Absorption Spectrometry”. Revista De Nutrição, vol. 33, agosto de 2022, p. 1-13, https://seer.sis.puc-campinas.edu.br/nutricao/article/view/6639.