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B12 is an essential vitamin that plays a critical role in various bodily functions
Historical Background and Scientific Context Scientific interest in metabolic regulatory enzymes expanded rapidly during the late twentieth century as molecular biology techniques improved
That is (0.5 / 2.5) x 100 = 20 units
PubMed laboratory research record [PMID: 1401176] PubMed record related to this compound for laboratory literature review
Available at: 57 World Health Organization (2018)
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