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
Clinicopath Conf, Pernicious Anema with Autoimmune Gastritis and B12 Deficiency
NEJM 351:1333-1341, Case 30-2004, 2004
Neurologic Aspects of Cobalamin Deficiency
Medicine 70:229-245, Healton,E.B.,et al, 1991