Ramos, C. D., D. E. Z. Wittmann, E. C. S. de C. Etchebehere, M. A. Tambascia, C. A. M. Silva, and E. E. Camargo. “Thyroid Uptake and Scintigraphy Using 99mTc Pertechnetate: Standardization in Normal Individuals”. São Paulo Medical Journal, vol. 120, no. 2, Mar. 2002, pp. 45-48, https://periodicosapm.emnuvens.com.br/spmj/article/view/2685.