A substance used to carry out a laboratory test. Reagents may be used in a chemical reaction to detect, measure, or make other substances.
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The Role of Antibodies in Giving Spuriously High B12 Measurements
THE Major Genetic Risk Factor Mitigated by Choline Supplementation
Urinary MMA is a Superior Test For Detecting B12 Deficiency, and for Good Reason.
The MMA Test Teaches a Lot About Why B12 is So Important for Energy
First Study to Find a Link
