M. L. R. Monteiro, A. C. P. Gonçalves, C. T. M. Silva, J. P. Moura, C. S. Ribeiro, and E. M. Gebrim, “ Diagnostic ability of barrett’s index to detect dysthyroid optic neuropathy using multidetector computed tomography ”, Clinics, vol. 63, no. 3, pp. 301–306, Jan. 2008, doi: 10.1590/S1807-59322008000300003.