Severe Vitamin B12 Deficiency Presenting as Pancytpenia, Hemolytic Anemia, and Parasthesia:Could Your B12 Be Any Lower?
Cureus doi:10.7759/cureus 29225, Pelling,M.M., et al, 2022
Clinicalpathologic Conference, Vitamin B12 Deficiency due to Pernicious Anemia
NEJM 366:1626-1633, Case 13-2012, 2012
Is it Truly Dementia?
Lancet 357:684, Visvanatham,R., 2001