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Refrigeration is appropriate for shorter storage, while -20 C freezer storage is the conservative long-term approach when supplier instructions allow it
Dispose of residual solutions according to institutional chemical hygiene rules
High-dose vitamin B12 supplements taken concurrently with the injection may lead to excessive B12 levels, though toxicity from vitamin B12 excess is extremely rare due to its water-soluble nature and efficient renal excretion
This creates specific timing windows
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