The Acquired Metabolic Disorders of the Nervous System, Cretinism and Neonatal Myxedema
Adams & Victors Principles of Neurology Chp 40, pg 1156, Ropper, A.H.,et al, 2014
Primary Lateral Sclerosis, Clin Features, Neuropath & Dx Criteria
Brain 115:495-520, Pringle,C.E.,et al, 1992