Folate, Vitamin B12, and Risk of Ischemic and Hemorrhagic Stroke
Stroke 36:1426-1431, Guelpen,B.V.,et al, 2005
Pernicious Anaemia
BMJ 369:m1319, Mohamed, M.,et al, 2020
Proton Pump Inhibitor and Histamine 2 Receptor Antagonist Use and Vitamin B12 Deficiency
JAMA 310:2435-2442, Lam, J.R.,et al, 2013