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Description
There were faster granulation tissue formation, re-epithelialization, dermal remodeling, and collagen deposition through extracellular signalregulated kinases (ERK)1/2 signaling pathway as well as its downstream targets, including c-Fos, c-Jun, and egr-1

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Bottom line: Its almost impossible to become toxic on vitamin B12 unless you have kidney issues

[DOI] [PubMed] [Google Scholar] 84.Haber PS