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Its most important jobs include helping your body produce healthy red blood cells and DNA

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doi: 10.1046/j.1365-2125.2003.01907.x Georges Delpre, Pinhas Stark, Yaron Niv, Sublingual therapy for cobalamin deficiency as an alternative to oral and parenteral cobalamin supplementation, The Lancet, Volume 354, Issue 9180, 28 August 1999, Pages 740-741, ISSN 0140-6736,

For multidose vials (eg, triamcinolone acetonide [Kenalog, Bristol-Myers Squibb]), only the units injected are billed

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