Cobalamin (vitamin B-12) deficiency: Is it a problem for our aging population and is the problem compounded by drugs that inhibit gastric acid secretion?
C. Kapadia, Cobalamin (vitamin B-12) deficiency: Is it a problem for our aging population and is the problem compounded by drugs that inhibit gastric acid secretion?, J CLIN GAST, 30(1), 2000, pp. 4-6