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Description
Sterile, contamination-free
If B12 levels are borderline, additional tests such as methylmalonic acid (MMA) or homocysteine may be helpful
the stability was measured using the HPLC method: column Kromasil 100, 5 , 150x4.6 mm, mobile phase 0.1% triflouroacetic acid in water/acetonitrile (from 0 to 50 vol.%), gradient elution in 25 minutes, flow 1 ml/min, detection: UV at 214 nm
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