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Parietal cells in the stomach produce a glycoprotein called intrinsic factor, which is necessary to absorb vitamin B12 in the terminal ileum
A., El-Maghrabi, M
Monitoring is Key: Your GP Knows Best Understanding How Long Does a Vitamin B12 Shot Last
Chronic alcohol use can contribute to B12 deficiency through multiple mechanisms, including impaired absorption and utilization of the vitamin in the body
Vitamin B12 deficiency--a major cause of megaloblastic anaemia in patients attending a tertiary care hospital
After an injection, B12 is absorbed, carried by specific proteins, and stored mainly in the liver
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