Diseases of the Nervous System Caused by Nutritional Deficiency, Vitamin B12 (Cobalamin) Deficiency (Subacute Combined Degeneration)
Adams & Victors Principles of Neurology Chp 41, pg 1172, Ropper, A.H.,et al, 2014
Clinicopathologic Conference, Copper Deficiency Myelopathy
NEJM 377:1977-1984, Case 35-2017, 2017
Clinical Manifestations and Evaluation of Adults with Suspected Native Valve Endocarditis
UpToDate Feb, Sexton, D.J. & Fowler,Jr., V.G., 2016