Vitamin B12 Deficiency:NICE Guideline Summary
BMJ 385:q1019, q1262, Sands,T.,et al, 2024
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