Progressive Weakness and Memory Impairment in a Middle-aged Man
JAMA 320:197-198, DeFilippis, E.M.,et al, 2018
Clinicalpathologic Conference, Vitamin B12 Deficiency due to Pernicious Anemia
NEJM 366:1626-1633, Case 13-2012, 2012
Long-Term Neurologic Consequences of Nutritional Vitamin B12 Deficiency in Infants
J Pediatr 121:710-714, Graham,S.M.,et al, 1992