Clinicopath ConfProgressive Multifocal Leukoencephalopathy & Systemic Lupus Erythematosus, Case 20-1995, NEJM 332:17, 3-17995., 1995
Primary Lateral Sclerosis, Clin Features, Neuropath & Dx CriteriaBrain 115:495-520, Pringle,C.E.,et al, 1992