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Expert Opinion on Biological Therapy, 12(1), 37-51

Step 2 Consider additional markers if borderline Your physician may also test methylmalonic acid (MMA) and homocysteine both rise when B12 is functionally deficient at the cellular level, even when serum B12 appears near-normal

We also provide research-use sourcing information from Umbrella Labs, which supplies SLU-PP-332 strictly for laboratory research with RUO documentation

Corneal confocal microscopy for the diagnosis of diabetic peripheral neuropathy: a systematic review and meta-analysis
