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This means that whilst beef liver provides abundant B12, the body regulates absorption according to its needs, with surplus amounts excreted in urine
The precipitate was collected (6000 rpm, 30 min, 4 C) and washed with 1 mL of acetone three times to remove the TCA
Available: 27 szt
[7] Schneider-Helmert D, Gnirss F, Monnier M, Schenker J, Schoenenberger GA
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