Primary Lateral Sclerosis, Clin Features, Neuropath & Dx Criteria
Brain 115:495-520, Pringle,C.E.,et al, 1992
Hallervorden-Spatz Syndrome and Brain Iron Metabolism
Arch Neurol 48:1285-1293, Swaiman,K.F., 1991
Primary Lateral Sclerosis, A Clinical Diagnosis Reemerges
Arch Neurol 45:1304-1307, Younger,D.S.,et al, 1988