Pernicious Anaemia
BMJ 369:m1319, Mohamed, M.,et al, 2020
Progressive Weakness and Memory Impairment in a Middle-aged Man
JAMA 320:197-198, DeFilippis, E.M.,et al, 2018
Subacute Combined Degeneration of the Spinal Cord
In Rowland's, Merritt's Textbk of Neurology, Lea & Febiger, Phila, 8th Ed, p. 691, Mancall,E.L., 1989