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A "natural" origin of a substance tells you nothing about overall safety at a synthetic dose, by an unphysiological route, in a manufactured form whose purity is not independently verified

The regulatory roles of liver and kidney in cobalamin (vitamin B 12 ) metabolism in the rat: the uptake and intracellular binding of cobalamin and the activity of the cobalamin-dependent enzymes in response to varying cobalamin supply

Shanlong Zhang, [email protected] Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers

This pro-angiogenic effect dominates the wound-healing response observed in preclinical models

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