Monteiro, Mário L. R., et al. “ Color Doppler Imaging of the Superior Ophthalmic Vein in Patients With Graves’ Orbitopathy before and After Treatment of Congestive Disease ”. Clinics, vol. 66, no. 8, Jan. 2011, pp. 1329-34, https://doi.org/10.1590/S1807-59322011000800004.