Massimiliano Farina, Eugenio Novelli and Raffaello Pagani (2017) “New Criteria Reduce Inter-Observer Variability in Chronic Cerebrospinal Venous Insufficiency: A Case Control Study”, Neuro, pp. 1–10. Available at: https://openventio.us/index.php/NEURO/article/view/1997 (Accessed: 22 September 2026).