2) Josephy H, Lichtenstein BW. Diffuse leukoecephalopathy without sclerosis: clinicopathologic study of a new form, with comment on various types of so-called diffuse sclerosis and Shilder's disease. Arch Neurol Psychiatry 1943; 50: 575-84.
3) Currie S, Roberts H, Urich H. The nosological position of concentric lacunar leukoencephalopathy. J Neurol Neurosurg Psychiatry 1970; 33: 131-7.