Primary Lateral Sclerosis, Clin Features, Neuropath & Dx Criteria
Brain 115:495-520, Pringle,C.E.,et al, 1992
Primary Lateral Sclerosis, A Clinical Diagnosis Reemerges
Arch Neurol 45:1304-1307, Younger,D.S.,et al, 1988
Clinicopath Conf
Demyelinating Disease, Case 8-1996, NEJM 334:715-720996., , 1996