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Higher Dosage Injections can deliver a higher concentration of B12 compared to oral supplements
Cell 78 (6), 915918
Relative quantitation of polar metabolites was performed with XCalibur QuanBrowser 2.2 (Thermo Fisher Scientific) using a 5 ppm mass tolerance and referencing an in-house library of chemical standards
doi: 10.1016/j.jff.2015.01.005 13 MarchianiARozzoCFaddaADeloguGRuzzaP
Apr 16 2021;18(8)doi:10.3390/ijerph18084236
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