Mandolesi, Sandro, Aldo d’Alessandro, Tarcisio Niglio, and Michele Rossi. “Reflections on the Canadian Study by Traboulsee Et Al. Prevalence of Extracranial Venous Narrowing on Catheter Venography in People With Multiple Sclerosis, Their Siblings, and Unrelated Healthy Controls: A Blinded, Case-Control Study”. Veins and Lymphatics 4, no. 1 (March 27, 2015). Accessed May 3, 2024. https://www.pagepressjournals.org/vl/article/view/vl.2015.5100.