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Diagnosis is further complicated by the fact that certain automated assays may indicate false normal or even elevated vitamin B12 levels in patients with high levels of anti-intrinsic factor antibodies, and such antibodies are found in 70% of patients with pernicious anemia (47
Only the simultaneous healing of the skin defect and the stomach defect would lead to the fistula closure (Skorjanec et al., 2009)
It supports the nervous system by aiding in the formation of myelin, which protects nerve fibres, and it plays a key role in energy production through its involvement in the breakdown of nutrients into usable energy
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B., Jang, Y
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