Enlarged perivascular spaces in the basal ganglia are associated with arteries not veins. - Oltmer J; Mattern H; Beck J; Yakupov R; Greenberg SM; Zwanenburg JJ; Arts T; Düzel E; van Veluw SJ; Schreiber S; Perosa V (Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 2024)