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doi: 10.5296/jas.v8i3.16793 41 DongX.ZhouZ.WangL.SaremiB.HelmbrechtA.WangZ.et al
Is it more than 28 days from first puncture
The 2% and 5% topical formulations require no prescription, though higher concentrations or oral formulations fall under different regulatory categories
The primary outcome was the change in serum B12 levels, following supplemental B12 intake, allowing for a comparative evaluation of the different formulations effectiveness in increasing and maintaining B12 concentrations in the bloodstream
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