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If severe B12 deficiency with neurological involvement is suspected, treatment should be initiated promptly without waiting for test results, and specialist advice may be needed
Choosing the right needle size depends on factors such as gauge, length, and injection technique
High dose oral supplementation is an effective alternative to parenteral treatment Randomized studies of daily high oral doses of 1,0002,000 g have shown equivalence or superiority to injected B 12
Together, they address healing from two complementary angles
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