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Vitamin B12 absorption normally relies on intrinsic factor, a transport compound that can decline with age, diet, or certain medications

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[DOI] [PubMed] [Google Scholar] 133.Wang T., Zhang H.-P., Zhang X., Liang Z.-A., Ji Y.-L., Wang G

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Following reperfusion, the swift reactivation of the electron transport chain in the presence of accumulated reducing equivalents leads to a surge in ROS (42), which contributes to mitochondrial permeability transition and subsequent cell death