Gonçalves, A. J., L. H. de Carvalho, K. Serdeira, M. Y. Nakai, and T. R. Malavasi. “Comparative Analysis of the Prevalence of the Glutathione S-Transferase (GST) System in Malignant and Benign Thyroid Tumor Cells”. São Paulo Medical Journal, vol. 125, no. 5, Sept. 2007, pp. 289-91, https://periodicosapm.emnuvens.com.br/spmj/article/view/2158.