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In summary, the reasons a GP surgery may refuse an early B12 injection are often rooted in a strict interpretation of established, but imperfect, guidelines, a misunderstanding of the actual science of B12 storage and metabolism, and a desire to maintain administrative consistency
PMID: 11146367 Ng, F.M., et al
Gwyer 2019 es una revisin sistemtica elaborada fuera del laboratorio de origen
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