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As a result, it often takes months or even years for a deficiency to become apparent if too little is consumed through diet
Prepared for the Department of Climate Change, Energy, the Environment and Water, Commonwealth of Australia, Canberra
The most useful monitoring plan is individualized
Gallbladder disease, gastroparesis, retinopathy, and other complications may require examination or imaging rather than blood testing alone
Treatment should not be delayed if neurological symptoms occur, as nerve damage may become irreversible without prompt B12 replacement
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