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PMID: 60 MartinGRBeckPLSigaletDL
AIDS 12 , 16531659 (1998)
Unlike homocysteine, which responds to both B12 and folate intake, the metabolite methylmalonic acid (MMA) specifically responds to B12 intake, and for some time we viewed MMA levels as the most important measure of B12 activity
During transport, use insulated cooling bags with ice packs when necessary, ensuring the medication does not come into direct contact with ice to prevent freezing
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