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Parents should seek prompt medical review for infants or children with poor feeding, low muscle tone, developmental concerns, or episodes of lethargy
No , B12 usually has the opposite effect
The study must be approved by an independent ethics committee, and every participant must give informed consent meaning they've received clear, honest information about what the study involves, what the risks are, and that they're free to withdraw at any time
doi:10.1002/dta.1402
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