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Description
Heavy smokers and drinkers can also have low levels of B12

Crystallization and preliminary X-ray crystallographic studies of dipeptidyl aminopeptidase BII from Pseudoxanthomonas mexicana WO24
In cultured fibroblasts, exposure to the compound at concentrations as low as 10 nM has produced measurable increases in collagen synthesis within 48 hours
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Acknowledgements Special thanks for all study team for their dedication and support in this study

Why are we talking about both Vitamin B12 and Iron