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Blood 1998;91:3817-24
So far, internationally we have no test that can replace the Schillings Test II, examining the uptake of B12 when it is supplied together with intrinsic factor
Nhc im Mc gi thnh tng i cao, mt s ngi dng khng iu kin ti chnh s dng lu di
1,2 Even with a 12-fold increase of oral vitamin C from 200 mg/day to 2500 mg/day the plasma concentration of vitamin C only increases by 25% from 1.2 to 1.5 mg/dL and with further increased dosing only to 9.3 mg/ dL 1,2 .Similarly, oral supplementation with magnesium results in little or no change in serum magnesium concentrations, whereas IV administration can double or triple the serum levels at least for a short period of time
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