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Atmospheric Chemistry and Physics, 15 , 40774091
Please review references sited at end of article for scientific support of any claims made.
15 Because serum methylmalonic acid level is as sensitive as, but more specific than, serum homocysteine level for vitamin B 12 deficiency, it is the confirmatory test of choice
The FDA has expressed concerns about compounded peptides, particularly those that have not been approved for any medical use
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