Posselt, R. T., V. N. Coelho, D. C. Pigozzo, M. I. Guerrer, M. da C. Fagundes, R. Nisihara, and T. L. Skare. “Prevalence of Thyroid Autoantibodies in Patients With Systematic Autoimmune Rheumatic Diseases. Cross-Sectional Study”. São Paulo Medical Journal, vol. 135, no. 6, Dec. 2017, pp. 535-40, https://periodicosapm.emnuvens.com.br/spmj/article/view/845.