E. M. Haacke, S. K. Sethi, J. Jiang, Y. Wang, and D. T. Utriainen, “The role of magnetic resonance imaging in assessing venous vascular abnormalities in the head and neck: a demonstration of cerebrospinal venous insufficiency in a subset of multiple sclerosis patients”, Veins and Lymphatics, vol. 4, no. 1, Jun. 2015.