Outcome after interventional or conservative management of unruptured brain arteriovenous malformations: a prospective, population-based cohort study. Categories: Arteriovenous Malformation Author: Al-Shahi Salman R, Bhattacharya JJ, Counsell CE, Papanastassiou V, Ritchie V, Roberts RC, Sellar RJ, SIVMS Collaborators., van Beijnum J, Warlow CP, Wedderburn CJ