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[30] For example, cyanocobalamin can be converted to its analog cobalamins via reduction to B 12s , followed by the addition of the corresponding alkyl halides, acyl halides, alkene or alkyne
this procedure is done when a TIPS or a surgical shunt is not possible or is unsuccessful in controlling the bleeding
Cells throughout the body can also produce smaller amounts to meet local needs
Understanding why long COVID persists means looking beneath the symptoms to the biological mechanisms driving them
In rare cases, more significant concerns may occur, which is why consultation and proper guidance are important
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