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Mobile phase B was 90% acetonitrile with 10 mM ammonium acetate, 0.1% ammonium hydroxide and 0.1% medronic acid
If values for these are not within the range of the standard curve, users must determine the optimal sample dilutions for their experiments
Not enough to meaningfully affect hepatic stores during active alcohol metabolism
Proton pump inhibitors and similar medications that lower stomach acid might decrease the absorption of vitamin B12 from food, but this is less of a concern when receiving B12 injections because they bypass the digestive system entirely
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