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
Vitamin B12 Deficiency and Severe Weight Loss in an Elderly Patient
Tenn Med 101:35-36, Gupta,N.K. & Powers,J.S., 2008
Practice Parameter: Diagnosis of Dementia (an Evidence-Based Review)
Neurol 56:1143-1153, Knopman,D.S.,et al, 2001
Increased Plasma Methylmalonic Acid Level Does Not Predict Clinical Manifestations of Vitamin B12 Deficiency
Arch Int Med 161:1534-1541, Hvas,A.,et al, 2001